drivers/include: add cc2420 doxygen doc
drivers/include: add cc2420 doxygen doc

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