msp430: fix missing members in `struct tm`
msp430: fix missing members in `struct tm`

Closes #1150.

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