fixed old-style-declaration warning
fixed old-style-declaration warning

board_init.c:7:1: warning: 'static' is not at beginning of declaration
[-Wold-style-declaration]

EmuxEvans/RIOT,malosek/RIOT,DipSwitch/RIOT,arvindpdmn/RIOT,MonsterCode8000/RIOT,benoit-canet/RIOT,ros2/ros2_embedded_riot,josephnoir/RIOT,rfswarm/RIOT,adrianghc/RIOT,AnonMall/RIOT,koenning/RIOT,miri64/RIOT,koenning/RIOT,kb2ma/RIOT,immesys/RiSyn,Osblouf/RIOT,toonst/RIOT,openkosmosorg/RIOT,lebrush/RIOT,kushalsingh007/RIOT,PSHIVANI/Riot-Code,Yonezawa-T2/RIOT,mfrey/RIOT,stevenj/RIOT,syin2/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,wentaoshang/RIOT,ximus/RIOT,JensErdmann/RIOT,miri64/RIOT,mziegert/RIOT,adrianghc/RIOT,TobiasFredersdorf/RIOT,ThanhVic/RIOT,OlegHahm/RIOT,rfswarm2/RIOT,l3nko/RIOT,asanka-code/RIOT,immesys/RiSyn,herrfz/RIOT,kbumsik/RIOT,sgso/RIOT,binarylemon/RIOT,DipSwitch/RIOT,LudwigKnuepfer/RIOT,ks156/RIOT,arvindpdmn/RIOT,brettswann/RIOT,rousselk/RIOT,josephnoir/RIOT,yogo1212/RIOT,openkosmosorg/RIOT,benoit-canet/RIOT,Osblouf/RIOT,sgso/RIOT,robixnai/RIOT,attdona/RIOT,centurysys/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,marcosalm/RIOT,phiros/RIOT,jhollister/RIOT,daniel-k/RIOT,phiros/RIOT,toonst/RIOT,Josar/RIOT,kYc0o/RIOT,jremmert-phytec-iot/RIOT,BytesGalore/PetersRIOT,adjih/RIOT,x3ro/RIOT,kushalsingh007/RIOT,jremmert-phytec-iot/RIOT,Lotterleben/RIOT,stevenj/RIOT,daniel-k/RIOT,RubikonAlpha/RIOT,AnonMall/RIOT,OTAkeys/RIOT,authmillenon/RIOT,ant9000/RIOT,dkm/RIOT,Darredevil/RIOT,automote/RIOT,MarkXYang/RIOT,biboc/RIOT,attdona/RIOT,kb2ma/RIOT,PSHIVANI/Riot-Code,ros2/ros2_embedded_riot,yogo1212/RIOT,Lotterleben/RIOT,dailab/RIOT,attdona/RIOT,BytesGalore/RIOT,gautric/RIOT,rfswarm2/RIOT,mfrey/RIOT,khhhh/RIOT,miri64/RIOT,automote/RIOT,Lotterleben/RIOT,kushalsingh007/RIOT,mziegert/RIOT,centurysys/RIOT,wentaoshang/RIOT,sumanpanchal/RIOT,ximus/RIOT,Ell-i/RIOT,ximus/RIOT,MarkXYang/RIOT,dkm/RIOT,rfuentess/RIOT,kerneltask/RIOT,brettswann/RIOT,jfischer-phytec-iot/RIOT,RubikonAlpha/RIOT,marcosalm/RIOT,A-Paul/RIOT,herrfz/RIOT,latsku/RIOT,josephnoir/RIOT,patkan/RIOT,jasonatran/RIOT,alignan/RIOT,MohmadAyman/RIOT,RBartz/RIOT,gebart/RIOT,nsol-nmsu/RIOT,katezilla/RIOT,LudwigOrtmann/RIOT,herrfz/RIOT-old,mfrey/RIOT,x3ro/RIOT,abkam07/RIOT,haoyangyu/RIOT,rfswarm/RIOT,fnack/RIOT,benoit-canet/RIOT,gebart/RIOT,stevenj/RIOT,automote/RIOT,neiljay/RIOT,MohmadAyman/RIOT,jfischer-phytec-iot/RIOT,rfuentess/RIOT,kerneltask/RIOT,gebart/RIOT,binarylemon/RIOT,sgso/RIOT,luciotorre/RIOT,aeneby/RIOT,openkosmosorg/RIOT,yogo1212/RIOT,biboc/RIOT,arvindpdmn/RIOT,locicontrols/RIOT,ThanhVic/RIOT,miri64/RIOT,BytesGalore/PetersRIOT,Lotterleben/RIOT,haoyangyu/RIOT,LudwigOrtmann/RIOT,adrianghc/RIOT,neiljay/RIOT,JensErdmann/RIOT,Josar/RIOT,locicontrols/RIOT,kaleb-himes/RIOT,DipSwitch/RIOT,MonsterCode8000/RIOT,authmillenon/RIOT,chris-wood/RIOT,asanka-code/RIOT,basilfx/RIOT,spium/IoT-RIOT,lebrush/RIOT,cladmi/RIOT,khhhh/RIOT,ros2/ros2_embedded_riot,koenning/RIOT,tfar/RIOT,BytesGalore/RIOT,TobiasFredersdorf/RIOT,altairpearl/RIOT,Lexandro92/RIOT-CoAP,roberthartung/RIOT,khhhh/RIOT,neumodisch/RIOT,roberthartung/RIOT,backenklee/RIOT,TobiasFredersdorf/RIOT,FrancescoErmini/RIOT,RBartz/RIOT,changbiao/RIOT,OlegHahm/RIOT,toonst/RIOT,RBartz/RIOT,kb2ma/RIOT,alignan/RIOT,ximus/RIOT,locicontrols/RIOT,OlegHahm/RIOT,marcosalm/RIOT,cladmi/RIOT,ThanhVic/RIOT,kYc0o/RIOT,rajma996/RIOT,MonsterCode8000/RIOT,arvindpdmn/RIOT,zhuoshuguo/RIOT,ntrtrung/RIOT,bartfaizoltan/RIOT,patkan/RIOT,aeneby/RIOT,malosek/RIOT,1blankz7/RIOT,kYc0o/RIOT,RubikonAlpha/RIOT,EmuxEvans/RIOT,daniel-k/RIOT,katezilla/RIOT,daniel-k/RIOT,jremmert-phytec-iot/RIOT,robixnai/RIOT,dailab/RIOT,thomaseichinger/RIOT,benoit-canet/RIOT,x3ro/RIOT,kaspar030/RIOT,watr-li/RIOT,aeneby/RIOT,Josar/RIOT,gautric/RIOT,binarylemon/RIOT,ks156/RIOT,josephnoir/RIOT,adjih/RIOT,jhollister/RIOT,mtausig/RIOT,bartfaizoltan/RIOT,adjih/RIOT,robixnai/RIOT,sumanpanchal/RIOT,rousselk/RIOT,mfrey/RIOT,nsol-nmsu/RIOT,Osblouf/RIOT,PSHIVANI/Riot-Code,Yonezawa-T2/RIOT,jhollister/RIOT,RIOT-OS/RIOT,LudwigKnuepfer/RIOT,katezilla/RIOT,openkosmosorg/RIOT,alignan/RIOT,latsku/RIOT,zhuoshuguo/RIOT,dhruvvyas90/RIOT,rousselk/RIOT,khhhh/RIOT,kaspar030/RIOT,avmelnikoff/RIOT,ximus/RIOT,JensErdmann/RIOT,gebart/RIOT,Lexandro92/RIOT-CoAP,dhruvvyas90/RIOT,luciotorre/RIOT,lazytech-org/RIOT,changbiao/RIOT,herrfz/RIOT-old,Josar/RIOT,altairpearl/RIOT,bartfaizoltan/RIOT,yogo1212/RIOT,chris-wood/RIOT,rfuentess/RIOT,alex1818/RIOT,robixnai/RIOT,LudwigOrtmann/RIOT,abkam07/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,bartfaizoltan/RIOT,rakendrathapa/RIOT,shady33/RIOT,alignan/RIOT,backenklee/RIOT,kaleb-himes/RIOT,hamilton-mote/RIOT-OS,alex1818/RIOT,thomaseichinger/RIOT,miri64/RIOT,ant9000/RIOT,tdautc19841202/RIOT,kaleb-himes/RIOT,benoit-canet/RIOT,cladmi/RIOT,Darredevil/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,gbarnett/RIOT,jfischer-phytec-iot/RIOT,alignan/RIOT,kaspar030/RIOT,A-Paul/RIOT,tdautc19841202/RIOT,rfuentess/RIOT,Lexandro92/RIOT-CoAP,RubikonAlpha/RIOT,chris-wood/RIOT,BytesGalore/PetersRIOT,authmillenon/RIOT,wentaoshang/RIOT,ros2/ros2_embedded_riot,marcosalm/RIOT,latsku/RIOT,msolters/RIOT,Hyungsin/RIOT-OS,beurdouche/RIOT,automote/RIOT,1blankz7/RIOT,rajma996/RIOT,immesys/RiSyn,avmelnikoff/RIOT,EmuxEvans/RIOT,luciotorre/RIOT,msolters/RIOT,jbeyerstedt/RIOT-OTA-update,locicontrols/RIOT,avmelnikoff/RIOT,MonsterCode8000/RIOT,watr-li/RIOT,watr-li/RIOT,dkm/RIOT,Yonezawa-T2/RIOT,abp719/RIOT,MarkXYang/RIOT,centurysys/RIOT,wentaoshang/RIOT,rousselk/RIOT,phiros/RIOT,roberthartung/RIOT,gautric/RIOT,lebrush/RIOT,basilfx/RIOT,cladmi/RIOT,katezilla/RIOT,malosek/RIOT,mfrey/RIOT,asanka-code/RIOT,binarylemon/RIOT,emmanuelsearch/RIOT,jferreir/RIOT,jfischer-phytec-iot/RIOT,alex1818/RIOT,OTAkeys/RIOT,tdautc19841202/RIOT,watr-li/RIOT,jbeyerstedt/RIOT-OTA-update,tfar/RIOT,abkam07/RIOT,smlng/RIOT,jasonatran/RIOT,ks156/RIOT,rajma996/RIOT,wentaoshang/RIOT,dhruvvyas90/RIOT,l3nko/RIOT,dkm/RIOT,Osblouf/RIOT,RIOT-OS/RIOT,tfar/RIOT,gbarnett/RIOT,nsol-nmsu/RIOT,neiljay/RIOT,adrianghc/RIOT,spium/IoT-RIOT,LudwigKnuepfer/RIOT,kerneltask/RIOT,ant9000/RIOT,lazytech-org/RIOT,smlng/RIOT,rakendrathapa/RIOT,kaspar030/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ntrtrung/RIOT,thiagohd/RIOT,MarkXYang/RIOT,biboc/RIOT,spium/IoT-RIOT,binarylemon/RIOT,zhuoshuguo/RIOT,malosek/RIOT,jbeyerstedt/RIOT-OTA-update,beurdouche/RIOT,kaspar030/RIOT,immesys/RiSyn,neiljay/RIOT,bartfaizoltan/RIOT,dhruvvyas90/RIOT,daniel-k/RIOT,abp719/RIOT,smlng/RIOT,attdona/RIOT,patkan/RIOT,RIOT-OS/RIOT,Darredevil/RIOT,OlegHahm/RIOT,patkan/RIOT,stevenj/RIOT,plushvoxel/RIOT,spium/IoT-RIOT,thiagohd/RIOT,wentaoshang/RIOT,jremmert-phytec-iot/RIOT,dhruvvyas90/RIOT,MohmadAyman/RIOT,BytesGalore/RIOT,gebart/RIOT,patkan/RIOT,rajma996/RIOT,neumodisch/RIOT,BytesGalore/RIOT,sumanpanchal/RIOT,OTAkeys/RIOT,lazytech-org/RIOT,Hyungsin/RIOT-OS,josephnoir/RIOT,fnack/RIOT,ros2/ros2_embedded_riot,Hyungsin/RIOT-OS,brettswann/RIOT,MohmadAyman/RIOT,luciotorre/RIOT,binarylemon/RIOT,mtausig/RIOT,roberthartung/RIOT,locicontrols/RIOT,1blankz7/RIOT,JensErdmann/RIOT,hamilton-mote/RIOT-OS,jfischer-phytec-iot/RIOT,syin2/RIOT,OTAkeys/RIOT,attdona/RIOT,changbiao/RIOT,changbiao/RIOT,marcosalm/RIOT,AnonMall/RIOT,ant9000/RIOT,neumodisch/RIOT,RubikonAlpha/RIOT,luciotorre/RIOT,shady33/RIOT,FrancescoErmini/RIOT,fnack/RIOT,immesys/RiSyn,openkosmosorg/RIOT,latsku/RIOT,LudwigOrtmann/RIOT,Lotterleben/RIOT,avmelnikoff/RIOT,jferreir/RIOT,biboc/RIOT,l3nko/RIOT,tdautc19841202/RIOT,rakendrathapa/RIOT,jasonatran/RIOT,basilfx/RIOT,emmanuelsearch/RIOT,Yonezawa-T2/RIOT,kb2ma/RIOT,d00616/RIOT,toonst/RIOT,ros2/ros2_embedded_riot,authmillenon/RIOT,abp719/RIOT,Osblouf/RIOT,RBartz/RIOT,automote/RIOT,backenklee/RIOT,mziegert/RIOT,kushalsingh007/RIOT,jhollister/RIOT,jbeyerstedt/RIOT-OTA-update,Josar/RIOT,Yonezawa-T2/RIOT,jhollister/RIOT,zhuoshuguo/RIOT,phiros/RIOT,khhhh/RIOT,patkan/RIOT,shady33/RIOT,emmanuelsearch/RIOT,Hyungsin/RIOT-OS,BytesGalore/PetersRIOT,alex1818/RIOT,herrfz/RIOT,daniel-k/RIOT,FrancescoErmini/RIOT,x3ro/RIOT,koenning/RIOT,gbarnett/RIOT,A-Paul/RIOT,abkam07/RIOT,thiagohd/RIOT,hamilton-mote/RIOT-OS,brettswann/RIOT,gbarnett/RIOT,smlng/RIOT,herrfz/RIOT-old,gautric/RIOT,aeneby/RIOT,hamilton-mote/RIOT-OS,abp719/RIOT,jferreir/RIOT,herrfz/RIOT-old,beurdouche/RIOT,lebrush/RIOT,Lexandro92/RIOT-CoAP,1blankz7/RIOT,haoyangyu/RIOT,authmillenon/RIOT,attdona/RIOT,rakendrathapa/RIOT,rakendrathapa/RIOT,d00616/RIOT,lazytech-org/RIOT,backenklee/RIOT,neiljay/RIOT,DipSwitch/RIOT,EmuxEvans/RIOT,altairpearl/RIOT,MohmadAyman/RIOT,kYc0o/RIOT,OTAkeys/RIOT,TobiasFredersdorf/RIOT,shady33/RIOT,DipSwitch/RIOT,fnack/RIOT,PSHIVANI/Riot-Code,latsku/RIOT,MarkXYang/RIOT,stevenj/RIOT,haoyangyu/RIOT,msolters/RIOT,basilfx/RIOT,ks156/RIOT,abkam07/RIOT,RBartz/RIOT,brettswann/RIOT,ks156/RIOT,Ell-i/RIOT,dailab/RIOT,jasonatran/RIOT,thomaseichinger/RIOT,Lexandro92/RIOT-CoAP,altairpearl/RIOT,AnonMall/RIOT,changbiao/RIOT,syin2/RIOT,l3nko/RIOT,authmillenon/RIOT,sgso/RIOT,herrfz/RIOT,centurysys/RIOT,lebrush/RIOT,chris-wood/RIOT,thomaseichinger/RIOT,herrfz/RIOT,fnack/RIOT,x3ro/RIOT,d00616/RIOT,haoyangyu/RIOT,PSHIVANI/Riot-Code,ThanhVic/RIOT,haoyangyu/RIOT,sgso/RIOT,kerneltask/RIOT,RubikonAlpha/RIOT,LudwigOrtmann/RIOT,Lexandro92/RIOT-CoAP,brettswann/RIOT,AnonMall/RIOT,centurysys/RIOT,marcosalm/RIOT,BytesGalore/PetersRIOT,jferreir/RIOT,Yonezawa-T2/RIOT,rfswarm/RIOT,Darredevil/RIOT,biboc/RIOT,adjih/RIOT,fnack/RIOT,herrfz/RIOT,syin2/RIOT,EmuxEvans/RIOT,A-Paul/RIOT,spium/IoT-RIOT,Ell-i/RIOT,aeneby/RIOT,ThanhVic/RIOT,MonsterCode8000/RIOT,syin2/RIOT,JensErdmann/RIOT,lazytech-org/RIOT,ntrtrung/RIOT,sumanpanchal/RIOT,malosek/RIOT,ntrtrung/RIOT,RIOT-OS/RIOT,rfuentess/RIOT,locicontrols/RIOT,rajma996/RIOT,Osblouf/RIOT,gbarnett/RIOT,kbumsik/RIOT,FrancescoErmini/RIOT,EmuxEvans/RIOT,rfswarm2/RIOT,ntrtrung/RIOT,RBartz/RIOT,koenning/RIOT,rfswarm/RIOT,ntrtrung/RIOT,rakendrathapa/RIOT,lebrush/RIOT,l3nko/RIOT,Ell-i/RIOT,msolters/RIOT,tfar/RIOT,plushvoxel/RIOT,alex1818/RIOT,emmanuelsearch/RIOT,d00616/RIOT,dhruvvyas90/RIOT,neumodisch/RIOT,TobiasFredersdorf/RIOT,chris-wood/RIOT,mziegert/RIOT,plushvoxel/RIOT,MohmadAyman/RIOT,Darredevil/RIOT,roberthartung/RIOT,RIOT-OS/RIOT,jferreir/RIOT,chris-wood/RIOT,Lotterleben/RIOT,latsku/RIOT,abp719/RIOT,neumodisch/RIOT,1blankz7/RIOT,shady33/RIOT,thiagohd/RIOT,sumanpanchal/RIOT,tdautc19841202/RIOT,Ell-i/RIOT,kaleb-himes/RIOT,adjih/RIOT,d00616/RIOT,backenklee/RIOT,jremmert-phytec-iot/RIOT,BytesGalore/PetersRIOT,kushalsingh007/RIOT,gbarnett/RIOT,FrancescoErmini/RIOT,ThanhVic/RIOT,jremmert-phytec-iot/RIOT,asanka-code/RIOT,kbumsik/RIOT,mziegert/RIOT,msolters/RIOT,jbeyerstedt/RIOT-OTA-update,robixnai/RIOT,phiros/RIOT,changbiao/RIOT,khhhh/RIOT,kbumsik/RIOT,adrianghc/RIOT,msolters/RIOT,sgso/RIOT,MonsterCode8000/RIOT,MarkXYang/RIOT,automote/RIOT,phiros/RIOT,kb2ma/RIOT,mziegert/RIOT,hamilton-mote/RIOT-OS,kerneltask/RIOT,toonst/RIOT,LudwigOrtmann/RIOT,Lotterleben/RIOT,openkosmosorg/RIOT,kbumsik/RIOT,ros2/ros2_embedded_riot,emmanuelsearch/RIOT,luciotorre/RIOT,plushvoxel/RIOT,AnonMall/RIOT,zhuoshuguo/RIOT,rfswarm/RIOT,emmanuelsearch/RIOT,koenning/RIOT,plushvoxel/RIOT,l3nko/RIOT,DipSwitch/RIOT,yogo1212/RIOT,gautric/RIOT,thomaseichinger/RIOT,BytesGalore/PetersRIOT,dkm/RIOT,abkam07/RIOT,dailab/RIOT,rfswarm2/RIOT,abp719/RIOT,LudwigKnuepfer/RIOT,beurdouche/RIOT,sumanpanchal/RIOT,BytesGalore/RIOT,nsol-nmsu/RIOT,herrfz/RIOT-old,arvindpdmn/RIOT,stevenj/RIOT,Darredevil/RIOT,katezilla/RIOT,locicontrols/RIOT,shady33/RIOT,rfswarm/RIOT,avmelnikoff/RIOT,centurysys/RIOT,benoit-canet/RIOT,jhollister/RIOT,cladmi/RIOT,mtausig/RIOT,altairpearl/RIOT,rajma996/RIOT,A-Paul/RIOT,zhuoshuguo/RIOT,kYc0o/RIOT,bartfaizoltan/RIOT,altairpearl/RIOT,LudwigKnuepfer/RIOT,mtausig/RIOT,ximus/RIOT,kushalsingh007/RIOT,1blankz7/RIOT,PSHIVANI/Riot-Code,dailab/RIOT,rousselk/RIOT,rfswarm2/RIOT,asanka-code/RIOT,smlng/RIOT,spium/IoT-RIOT,rfswarm2/RIOT,neumodisch/RIOT,alex1818/RIOT,OlegHahm/RIOT,watr-li/RIOT,Hyungsin/RIOT-OS,robixnai/RIOT,tdautc19841202/RIOT,arvindpdmn/RIOT,asanka-code/RIOT,watr-li/RIOT,tfar/RIOT,rousselk/RIOT,thiagohd/RIOT,d00616/RIOT,malosek/RIOT,jasonatran/RIOT,immesys/RiSyn,ant9000/RIOT,thiagohd/RIOT,nsol-nmsu/RIOT,basilfx/RIOT,JensErdmann/RIOT,jferreir/RIOT,kaleb-himes/RIOT,beurdouche/RIOT,mtausig/RIOT,yogo1212/RIOT,FrancescoErmini/RIOT