drivers: ethos: fix static const declarations
drivers: ethos: fix static const declarations

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