shell: adapt register prefix command to new shell api
shell: adapt register prefix command to new shell api

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