board: samr21: adapt to xtimer
board: samr21: adapt to xtimer

kYc0o/RIOT,OlegHahm/RIOT,rajma996/RIOT,FrancescoErmini/RIOT,RBartz/RIOT,toonst/RIOT,kaspar030/RIOT,jremmert-phytec-iot/RIOT,miri64/RIOT,RBartz/RIOT,jremmert-phytec-iot/RIOT,TobiasFredersdorf/RIOT,RubikonAlpha/RIOT,tfar/RIOT,A-Paul/RIOT,OTAkeys/RIOT,MonsterCode8000/RIOT,RIOT-OS/RIOT,A-Paul/RIOT,hamilton-mote/RIOT-OS,herrfz/RIOT,abp719/RIOT,josephnoir/RIOT,kbumsik/RIOT,stevenj/RIOT,gautric/RIOT,kb2ma/RIOT,binarylemon/RIOT,kaleb-himes/RIOT,lazytech-org/RIOT,daniel-k/RIOT,watr-li/RIOT,brettswann/RIOT,mtausig/RIOT,x3ro/RIOT,thiagohd/RIOT,neiljay/RIOT,mziegert/RIOT,attdona/RIOT,haoyangyu/RIOT,mziegert/RIOT,kaleb-himes/RIOT,avmelnikoff/RIOT,wentaoshang/RIOT,LudwigOrtmann/RIOT,MonsterCode8000/RIOT,jremmert-phytec-iot/RIOT,RBartz/RIOT,josephnoir/RIOT,rajma996/RIOT,herrfz/RIOT,dhruvvyas90/RIOT,lebrush/RIOT,dkm/RIOT,rousselk/RIOT,khhhh/RIOT,latsku/RIOT,abkam07/RIOT,hamilton-mote/RIOT-OS,immesys/RiSyn,JensErdmann/RIOT,RIOT-OS/RIOT,brettswann/RIOT,Josar/RIOT,Ell-i/RIOT,thomaseichinger/RIOT,neiljay/RIOT,kerneltask/RIOT,wentaoshang/RIOT,basilfx/RIOT,plushvoxel/RIOT,mtausig/RIOT,cladmi/RIOT,JensErdmann/RIOT,OlegHahm/RIOT,jfischer-phytec-iot/RIOT,mziegert/RIOT,kaspar030/RIOT,Ell-i/RIOT,gebart/RIOT,cladmi/RIOT,msolters/RIOT,abkam07/RIOT,roberthartung/RIOT,tfar/RIOT,Hyungsin/RIOT-OS,stevenj/RIOT,adjih/RIOT,arvindpdmn/RIOT,avmelnikoff/RIOT,attdona/RIOT,LudwigKnuepfer/RIOT,biboc/RIOT,katezilla/RIOT,MonsterCode8000/RIOT,lazytech-org/RIOT,ant9000/RIOT,khhhh/RIOT,brettswann/RIOT,jbeyerstedt/RIOT-OTA-update,herrfz/RIOT,immesys/RiSyn,MohmadAyman/RIOT,l3nko/RIOT,kaspar030/RIOT,yogo1212/RIOT,jasonatran/RIOT,malosek/RIOT,rajma996/RIOT,herrfz/RIOT,neumodisch/RIOT,asanka-code/RIOT,BytesGalore/RIOT,yogo1212/RIOT,gbarnett/RIOT,LudwigOrtmann/RIOT,zhuoshuguo/RIOT,cladmi/RIOT,shady33/RIOT,kbumsik/RIOT,rakendrathapa/RIOT,dailab/RIOT,LudwigKnuepfer/RIOT,OlegHahm/RIOT,watr-li/RIOT,miri64/RIOT,smlng/RIOT,tfar/RIOT,LudwigOrtmann/RIOT,RubikonAlpha/RIOT,RubikonAlpha/RIOT,roberthartung/RIOT,A-Paul/RIOT,thiagohd/RIOT,josephnoir/RIOT,msolters/RIOT,rakendrathapa/RIOT,thomaseichinger/RIOT,jbeyerstedt/RIOT-OTA-update,ks156/RIOT,binarylemon/RIOT,OTAkeys/RIOT,dhruvvyas90/RIOT,FrancescoErmini/RIOT,l3nko/RIOT,asanka-code/RIOT,latsku/RIOT,x3ro/RIOT,ks156/RIOT,RubikonAlpha/RIOT,rakendrathapa/RIOT,neumodisch/RIOT,alignan/RIOT,shady33/RIOT,Yonezawa-T2/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,rousselk/RIOT,khhhh/RIOT,abkam07/RIOT,josephnoir/RIOT,wentaoshang/RIOT,hamilton-mote/RIOT-OS,cladmi/RIOT,immesys/RiSyn,dkm/RIOT,rajma996/RIOT,lebrush/RIOT,BytesGalore/RIOT,mtausig/RIOT,plushvoxel/RIOT,jasonatran/RIOT,mfrey/RIOT,kerneltask/RIOT,tfar/RIOT,basilfx/RIOT,yogo1212/RIOT,daniel-k/RIOT,arvindpdmn/RIOT,biboc/RIOT,syin2/RIOT,attdona/RIOT,JensErdmann/RIOT,mfrey/RIOT,backenklee/RIOT,JensErdmann/RIOT,MohmadAyman/RIOT,authmillenon/RIOT,hamilton-mote/RIOT-OS,rakendrathapa/RIOT,dkm/RIOT,msolters/RIOT,biboc/RIOT,Yonezawa-T2/RIOT,brettswann/RIOT,lazytech-org/RIOT,yogo1212/RIOT,Josar/RIOT,gebart/RIOT,ks156/RIOT,basilfx/RIOT,MonsterCode8000/RIOT,jremmert-phytec-iot/RIOT,abp719/RIOT,rfuentess/RIOT,khhhh/RIOT,neumodisch/RIOT,jfischer-phytec-iot/RIOT,mziegert/RIOT,malosek/RIOT,gautric/RIOT,thiagohd/RIOT,jbeyerstedt/RIOT-OTA-update,Josar/RIOT,d00616/RIOT,TobiasFredersdorf/RIOT,wentaoshang/RIOT,mfrey/RIOT,tfar/RIOT,kerneltask/RIOT,ant9000/RIOT,stevenj/RIOT,LudwigKnuepfer/RIOT,beurdouche/RIOT,yogo1212/RIOT,hamilton-mote/RIOT-OS,msolters/RIOT,syin2/RIOT,JensErdmann/RIOT,latsku/RIOT,toonst/RIOT,rousselk/RIOT,MohmadAyman/RIOT,attdona/RIOT,beurdouche/RIOT,josephnoir/RIOT,x3ro/RIOT,jfischer-phytec-iot/RIOT,stevenj/RIOT,watr-li/RIOT,binarylemon/RIOT,dailab/RIOT,rousselk/RIOT,shady33/RIOT,attdona/RIOT,d00616/RIOT,roberthartung/RIOT,dailab/RIOT,lazytech-org/RIOT,biboc/RIOT,khhhh/RIOT,adjih/RIOT,herrfz/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,RBartz/RIOT,mfrey/RIOT,roberthartung/RIOT,gebart/RIOT,adjih/RIOT,thiagohd/RIOT,kaspar030/RIOT,thiagohd/RIOT,l3nko/RIOT,abkam07/RIOT,dhruvvyas90/RIOT,Yonezawa-T2/RIOT,katezilla/RIOT,kb2ma/RIOT,dailab/RIOT,altairpearl/RIOT,aeneby/RIOT,katezilla/RIOT,haoyangyu/RIOT,backenklee/RIOT,RIOT-OS/RIOT,asanka-code/RIOT,zhuoshuguo/RIOT,kerneltask/RIOT,A-Paul/RIOT,gebart/RIOT,abkam07/RIOT,malosek/RIOT,msolters/RIOT,l3nko/RIOT,gbarnett/RIOT,MohmadAyman/RIOT,alignan/RIOT,rajma996/RIOT,LudwigOrtmann/RIOT,arvindpdmn/RIOT,dhruvvyas90/RIOT,dhruvvyas90/RIOT,wentaoshang/RIOT,jasonatran/RIOT,d00616/RIOT,haoyangyu/RIOT,OTAkeys/RIOT,adrianghc/RIOT,alignan/RIOT,neumodisch/RIOT,adjih/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaleb-himes/RIOT,rfuentess/RIOT,LudwigKnuepfer/RIOT,kYc0o/RIOT,gbarnett/RIOT,RBartz/RIOT,Ell-i/RIOT,plushvoxel/RIOT,MonsterCode8000/RIOT,rfuentess/RIOT,mziegert/RIOT,RIOT-OS/RIOT,ks156/RIOT,lazytech-org/RIOT,arvindpdmn/RIOT,Josar/RIOT,kYc0o/RIOT,adrianghc/RIOT,Hyungsin/RIOT-OS,toonst/RIOT,ant9000/RIOT,altairpearl/RIOT,kerneltask/RIOT,binarylemon/RIOT,lebrush/RIOT,Yonezawa-T2/RIOT,MonsterCode8000/RIOT,neiljay/RIOT,gautric/RIOT,miri64/RIOT,FrancescoErmini/RIOT,LudwigOrtmann/RIOT,smlng/RIOT,yogo1212/RIOT,malosek/RIOT,kYc0o/RIOT,gautric/RIOT,FrancescoErmini/RIOT,asanka-code/RIOT,syin2/RIOT,RubikonAlpha/RIOT,Hyungsin/RIOT-OS,abkam07/RIOT,authmillenon/RIOT,MohmadAyman/RIOT,abp719/RIOT,thiagohd/RIOT,haoyangyu/RIOT,asanka-code/RIOT,rakendrathapa/RIOT,haoyangyu/RIOT,l3nko/RIOT,JensErdmann/RIOT,altairpearl/RIOT,arvindpdmn/RIOT,shady33/RIOT,altairpearl/RIOT,khhhh/RIOT,BytesGalore/RIOT,smlng/RIOT,mfrey/RIOT,jbeyerstedt/RIOT-OTA-update,latsku/RIOT,backenklee/RIOT,BytesGalore/RIOT,ant9000/RIOT,watr-li/RIOT,wentaoshang/RIOT,Ell-i/RIOT,daniel-k/RIOT,kYc0o/RIOT,immesys/RiSyn,kb2ma/RIOT,Ell-i/RIOT,asanka-code/RIOT,aeneby/RIOT,abp719/RIOT,kaleb-himes/RIOT,kbumsik/RIOT,A-Paul/RIOT,FrancescoErmini/RIOT,backenklee/RIOT,dkm/RIOT,MohmadAyman/RIOT,shady33/RIOT,rakendrathapa/RIOT,OlegHahm/RIOT,adrianghc/RIOT,daniel-k/RIOT,altairpearl/RIOT,FrancescoErmini/RIOT,TobiasFredersdorf/RIOT,Yonezawa-T2/RIOT,smlng/RIOT,mtausig/RIOT,stevenj/RIOT,jasonatran/RIOT,gbarnett/RIOT,gbarnett/RIOT,jfischer-phytec-iot/RIOT,backenklee/RIOT,thomaseichinger/RIOT,syin2/RIOT,aeneby/RIOT,immesys/RiSyn,dailab/RIOT,beurdouche/RIOT,kbumsik/RIOT,plushvoxel/RIOT,zhuoshuguo/RIOT,kb2ma/RIOT,immesys/RiSyn,authmillenon/RIOT,Josar/RIOT,gbarnett/RIOT,watr-li/RIOT,Hyungsin/RIOT-OS,avmelnikoff/RIOT,TobiasFredersdorf/RIOT,RBartz/RIOT,dkm/RIOT,neumodisch/RIOT,jfischer-phytec-iot/RIOT,avmelnikoff/RIOT,latsku/RIOT,authmillenon/RIOT,kb2ma/RIOT,adrianghc/RIOT,daniel-k/RIOT,LudwigKnuepfer/RIOT,altairpearl/RIOT,adrianghc/RIOT,cladmi/RIOT,adjih/RIOT,binarylemon/RIOT,mziegert/RIOT,attdona/RIOT,syin2/RIOT,roberthartung/RIOT,kaleb-himes/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,alignan/RIOT,msolters/RIOT,TobiasFredersdorf/RIOT,ks156/RIOT,zhuoshuguo/RIOT,lebrush/RIOT,smlng/RIOT,gautric/RIOT,lebrush/RIOT,BytesGalore/RIOT,aeneby/RIOT,RIOT-OS/RIOT,RubikonAlpha/RIOT,rajma996/RIOT,avmelnikoff/RIOT,haoyangyu/RIOT,authmillenon/RIOT,watr-li/RIOT,l3nko/RIOT,biboc/RIOT,d00616/RIOT,authmillenon/RIOT,beurdouche/RIOT,d00616/RIOT,gebart/RIOT,basilfx/RIOT,alignan/RIOT,katezilla/RIOT,Yonezawa-T2/RIOT,kbumsik/RIOT,aeneby/RIOT,toonst/RIOT,plushvoxel/RIOT,x3ro/RIOT,lebrush/RIOT,thomaseichinger/RIOT,neiljay/RIOT,zhuoshuguo/RIOT,rfuentess/RIOT,jbeyerstedt/RIOT-OTA-update,dhruvvyas90/RIOT,miri64/RIOT,abp719/RIOT,miri64/RIOT,kaspar030/RIOT,jremmert-phytec-iot/RIOT,katezilla/RIOT,latsku/RIOT,herrfz/RIOT,x3ro/RIOT,LudwigOrtmann/RIOT,basilfx/RIOT,beurdouche/RIOT,thomaseichinger/RIOT,Hyungsin/RIOT-OS,foss-for-synopsys-dwc-arc-processors/RIOT,brettswann/RIOT,mtausig/RIOT,malosek/RIOT,binarylemon/RIOT,daniel-k/RIOT,neiljay/RIOT,rousselk/RIOT,ant9000/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,neumodisch/RIOT,jasonatran/RIOT,rfuentess/RIOT,d00616/RIOT,arvindpdmn/RIOT,zhuoshuguo/RIOT,toonst/RIOT,jremmert-phytec-iot/RIOT,rousselk/RIOT,stevenj/RIOT,malosek/RIOT,shady33/RIOT,abp719/RIOT,OTAkeys/RIOT,brettswann/RIOT