cortex-m3: Add extern "C" to core_cmInstr.h
cortex-m3: Add extern "C" to core_cmInstr.h

Signed-off-by: Joakim Gebart <d097f2c6c8fee73e3ea75e1d62412e3886346faa@eistec.se>

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