boards/nucleo-f401: cleaned up Makefile.features
boards/nucleo-f401: cleaned up Makefile.features

cladmi/RIOT,jfischer-phytec-iot/RIOT,Josar/RIOT,rajma996/RIOT,ks156/RIOT,kYc0o/RIOT,A-Paul/RIOT,rfuentess/RIOT,syin2/RIOT,plushvoxel/RIOT,altairpearl/RIOT,lazytech-org/RIOT,hamilton-mote/RIOT-OS,adjih/RIOT,avmelnikoff/RIOT,toonst/RIOT,syin2/RIOT,plushvoxel/RIOT,gebart/RIOT,MohmadAyman/RIOT,jremmert-phytec-iot/RIOT,jasonatran/RIOT,backenklee/RIOT,d00616/RIOT,kbumsik/RIOT,malosek/RIOT,backenklee/RIOT,biboc/RIOT,basilfx/RIOT,adjih/RIOT,kerneltask/RIOT,beurdouche/RIOT,FrancescoErmini/RIOT,altairpearl/RIOT,katezilla/RIOT,thomaseichinger/RIOT,BytesGalore/RIOT,jfischer-phytec-iot/RIOT,asanka-code/RIOT,rakendrathapa/RIOT,rousselk/RIOT,kb2ma/RIOT,x3ro/RIOT,LudwigKnuepfer/RIOT,LudwigKnuepfer/RIOT,alignan/RIOT,Ell-i/RIOT,gebart/RIOT,dailab/RIOT,tfar/RIOT,kYc0o/RIOT,LudwigOrtmann/RIOT,authmillenon/RIOT,Hyungsin/RIOT-OS,MohmadAyman/RIOT,alignan/RIOT,neumodisch/RIOT,adrianghc/RIOT,d00616/RIOT,wentaoshang/RIOT,mtausig/RIOT,beurdouche/RIOT,aeneby/RIOT,OTAkeys/RIOT,backenklee/RIOT,MohmadAyman/RIOT,lazytech-org/RIOT,gebart/RIOT,neumodisch/RIOT,immesys/RiSyn,shady33/RIOT,jremmert-phytec-iot/RIOT,dailab/RIOT,kaspar030/RIOT,basilfx/RIOT,rakendrathapa/RIOT,kaleb-himes/RIOT,authmillenon/RIOT,Yonezawa-T2/RIOT,neiljay/RIOT,brettswann/RIOT,malosek/RIOT,BytesGalore/RIOT,Josar/RIOT,josephnoir/RIOT,miri64/RIOT,kb2ma/RIOT,asanka-code/RIOT,jbeyerstedt/RIOT-OTA-update,gautric/RIOT,katezilla/RIOT,neumodisch/RIOT,A-Paul/RIOT,altairpearl/RIOT,A-Paul/RIOT,wentaoshang/RIOT,cladmi/RIOT,josephnoir/RIOT,asanka-code/RIOT,avmelnikoff/RIOT,x3ro/RIOT,roberthartung/RIOT,Hyungsin/RIOT-OS,biboc/RIOT,immesys/RiSyn,hamilton-mote/RIOT-OS,mfrey/RIOT,jremmert-phytec-iot/RIOT,tfar/RIOT,rakendrathapa/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ks156/RIOT,roberthartung/RIOT,rousselk/RIOT,biboc/RIOT,LudwigOrtmann/RIOT,Ell-i/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,Yonezawa-T2/RIOT,wentaoshang/RIOT,altairpearl/RIOT,d00616/RIOT,syin2/RIOT,gebart/RIOT,OlegHahm/RIOT,yogo1212/RIOT,beurdouche/RIOT,gautric/RIOT,RIOT-OS/RIOT,Hyungsin/RIOT-OS,basilfx/RIOT,malosek/RIOT,BytesGalore/RIOT,TobiasFredersdorf/RIOT,RIOT-OS/RIOT,attdona/RIOT,roberthartung/RIOT,cladmi/RIOT,ant9000/RIOT,Josar/RIOT,basilfx/RIOT,kerneltask/RIOT,A-Paul/RIOT,ant9000/RIOT,mtausig/RIOT,OlegHahm/RIOT,kaleb-himes/RIOT,ks156/RIOT,jremmert-phytec-iot/RIOT,alignan/RIOT,FrancescoErmini/RIOT,rousselk/RIOT,kerneltask/RIOT,alignan/RIOT,plushvoxel/RIOT,immesys/RiSyn,rousselk/RIOT,mtausig/RIOT,beurdouche/RIOT,Josar/RIOT,x3ro/RIOT,kerneltask/RIOT,immesys/RiSyn,TobiasFredersdorf/RIOT,Josar/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,wentaoshang/RIOT,brettswann/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,zhuoshuguo/RIOT,immesys/RiSyn,roberthartung/RIOT,smlng/RIOT,zhuoshuguo/RIOT,wentaoshang/RIOT,OTAkeys/RIOT,attdona/RIOT,jasonatran/RIOT,neiljay/RIOT,yogo1212/RIOT,FrancescoErmini/RIOT,kYc0o/RIOT,authmillenon/RIOT,brettswann/RIOT,altairpearl/RIOT,jfischer-phytec-iot/RIOT,beurdouche/RIOT,tfar/RIOT,ant9000/RIOT,asanka-code/RIOT,plushvoxel/RIOT,malosek/RIOT,Yonezawa-T2/RIOT,smlng/RIOT,jfischer-phytec-iot/RIOT,malosek/RIOT,FrancescoErmini/RIOT,miri64/RIOT,authmillenon/RIOT,adrianghc/RIOT,avmelnikoff/RIOT,Ell-i/RIOT,rousselk/RIOT,shady33/RIOT,cladmi/RIOT,TobiasFredersdorf/RIOT,LudwigKnuepfer/RIOT,rousselk/RIOT,attdona/RIOT,Ell-i/RIOT,neiljay/RIOT,OTAkeys/RIOT,shady33/RIOT,thomaseichinger/RIOT,malosek/RIOT,dkm/RIOT,TobiasFredersdorf/RIOT,biboc/RIOT,rakendrathapa/RIOT,hamilton-mote/RIOT-OS,kbumsik/RIOT,altairpearl/RIOT,kaleb-himes/RIOT,dailab/RIOT,LudwigOrtmann/RIOT,hamilton-mote/RIOT-OS,avmelnikoff/RIOT,MohmadAyman/RIOT,josephnoir/RIOT,mfrey/RIOT,kb2ma/RIOT,ant9000/RIOT,syin2/RIOT,kerneltask/RIOT,FrancescoErmini/RIOT,dkm/RIOT,adrianghc/RIOT,kaleb-himes/RIOT,aeneby/RIOT,smlng/RIOT,adjih/RIOT,RIOT-OS/RIOT,dailab/RIOT,lazytech-org/RIOT,josephnoir/RIOT,rajma996/RIOT,kYc0o/RIOT,syin2/RIOT,backenklee/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,jasonatran/RIOT,jbeyerstedt/RIOT-OTA-update,toonst/RIOT,zhuoshuguo/RIOT,brettswann/RIOT,gautric/RIOT,kaspar030/RIOT,dkm/RIOT,cladmi/RIOT,rajma996/RIOT,yogo1212/RIOT,gebart/RIOT,immesys/RiSyn,adjih/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,toonst/RIOT,kb2ma/RIOT,ks156/RIOT,x3ro/RIOT,dailab/RIOT,biboc/RIOT,kYc0o/RIOT,mfrey/RIOT,miri64/RIOT,katezilla/RIOT,FrancescoErmini/RIOT,plushvoxel/RIOT,LudwigOrtmann/RIOT,toonst/RIOT,rajma996/RIOT,jremmert-phytec-iot/RIOT,Yonezawa-T2/RIOT,A-Paul/RIOT,ant9000/RIOT,basilfx/RIOT,kaspar030/RIOT,neiljay/RIOT,TobiasFredersdorf/RIOT,kbumsik/RIOT,thomaseichinger/RIOT,miri64/RIOT,mfrey/RIOT,x3ro/RIOT,attdona/RIOT,jbeyerstedt/RIOT-OTA-update,adrianghc/RIOT,LudwigKnuepfer/RIOT,zhuoshuguo/RIOT,smlng/RIOT,adrianghc/RIOT,aeneby/RIOT,thomaseichinger/RIOT,rajma996/RIOT,shady33/RIOT,shady33/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,Yonezawa-T2/RIOT,jasonatran/RIOT,kaspar030/RIOT,BytesGalore/RIOT,Hyungsin/RIOT-OS,jfischer-phytec-iot/RIOT,kbumsik/RIOT,asanka-code/RIOT,zhuoshuguo/RIOT,lazytech-org/RIOT,neumodisch/RIOT,neumodisch/RIOT,dkm/RIOT,MohmadAyman/RIOT,BytesGalore/RIOT,lazytech-org/RIOT,LudwigOrtmann/RIOT,jbeyerstedt/RIOT-OTA-update,tfar/RIOT,OlegHahm/RIOT,gautric/RIOT,jasonatran/RIOT,authmillenon/RIOT,rakendrathapa/RIOT,kb2ma/RIOT,kbumsik/RIOT,jbeyerstedt/RIOT-OTA-update,backenklee/RIOT,kaleb-himes/RIOT,attdona/RIOT,roberthartung/RIOT,smlng/RIOT,RIOT-OS/RIOT,brettswann/RIOT,kaspar030/RIOT,adjih/RIOT,OTAkeys/RIOT,gautric/RIOT,katezilla/RIOT,rfuentess/RIOT,d00616/RIOT,yogo1212/RIOT,ks156/RIOT,rfuentess/RIOT,d00616/RIOT,jremmert-phytec-iot/RIOT,katezilla/RIOT,Hyungsin/RIOT-OS,thomaseichinger/RIOT,zhuoshuguo/RIOT,yogo1212/RIOT,alignan/RIOT,asanka-code/RIOT,MohmadAyman/RIOT,rajma996/RIOT,neiljay/RIOT,yogo1212/RIOT,rakendrathapa/RIOT,d00616/RIOT,attdona/RIOT,miri64/RIOT,mfrey/RIOT,shady33/RIOT,avmelnikoff/RIOT,neumodisch/RIOT,aeneby/RIOT,josephnoir/RIOT,aeneby/RIOT,OTAkeys/RIOT,wentaoshang/RIOT,dkm/RIOT,rfuentess/RIOT,Yonezawa-T2/RIOT,LudwigKnuepfer/RIOT,hamilton-mote/RIOT-OS,tfar/RIOT,rfuentess/RIOT,mtausig/RIOT,Ell-i/RIOT,toonst/RIOT,mtausig/RIOT,brettswann/RIOT,LudwigOrtmann/RIOT