Makefile.docker: Sort environment variable names
Makefile.docker: Sort environment variable names

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