dist: add gnu parallel to dockerfile
dist: add gnu parallel to dockerfile

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