doc: added samd21 vendor header to doxygen excludes
doc: added samd21 vendor header to doxygen excludes

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