kinetis: periph_cpu.h doc fixes
kinetis: periph_cpu.h doc fixes

OTAkeys/RIOT,smlng/RIOT,x3ro/RIOT,neiljay/RIOT,biboc/RIOT,A-Paul/RIOT,miri64/RIOT,kYc0o/RIOT,kbumsik/RIOT,aeneby/RIOT,authmillenon/RIOT,BytesGalore/RIOT,rfuentess/RIOT,yogo1212/RIOT,jasonatran/RIOT,biboc/RIOT,BytesGalore/RIOT,yogo1212/RIOT,basilfx/RIOT,toonst/RIOT,kbumsik/RIOT,rfuentess/RIOT,ant9000/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,miri64/RIOT,authmillenon/RIOT,OlegHahm/RIOT,kaspar030/RIOT,josephnoir/RIOT,kYc0o/RIOT,mfrey/RIOT,RIOT-OS/RIOT,mtausig/RIOT,rfuentess/RIOT,A-Paul/RIOT,josephnoir/RIOT,ant9000/RIOT,A-Paul/RIOT,yogo1212/RIOT,OlegHahm/RIOT,BytesGalore/RIOT,x3ro/RIOT,aeneby/RIOT,authmillenon/RIOT,ant9000/RIOT,miri64/RIOT,x3ro/RIOT,kaspar030/RIOT,kaspar030/RIOT,rfuentess/RIOT,lazytech-org/RIOT,mtausig/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,basilfx/RIOT,toonst/RIOT,basilfx/RIOT,kYc0o/RIOT,toonst/RIOT,ant9000/RIOT,avmelnikoff/RIOT,kbumsik/RIOT,gebart/RIOT,neiljay/RIOT,toonst/RIOT,mfrey/RIOT,mfrey/RIOT,OTAkeys/RIOT,biboc/RIOT,BytesGalore/RIOT,josephnoir/RIOT,miri64/RIOT,yogo1212/RIOT,basilfx/RIOT,jasonatran/RIOT,biboc/RIOT,kYc0o/RIOT,kaspar030/RIOT,kYc0o/RIOT,BytesGalore/RIOT,kbumsik/RIOT,avmelnikoff/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,neiljay/RIOT,avmelnikoff/RIOT,lazytech-org/RIOT,OTAkeys/RIOT,mtausig/RIOT,kbumsik/RIOT,x3ro/RIOT,cladmi/RIOT,OlegHahm/RIOT,gebart/RIOT,smlng/RIOT,smlng/RIOT,OlegHahm/RIOT,lazytech-org/RIOT,authmillenon/RIOT,cladmi/RIOT,RIOT-OS/RIOT,josephnoir/RIOT,aeneby/RIOT,OlegHahm/RIOT,cladmi/RIOT,lazytech-org/RIOT,OTAkeys/RIOT,mfrey/RIOT,avmelnikoff/RIOT,josephnoir/RIOT,A-Paul/RIOT,avmelnikoff/RIOT,biboc/RIOT,smlng/RIOT,miri64/RIOT,cladmi/RIOT,lazytech-org/RIOT,gebart/RIOT,cladmi/RIOT,mtausig/RIOT,jasonatran/RIOT,neiljay/RIOT,jasonatran/RIOT,authmillenon/RIOT,OTAkeys/RIOT,aeneby/RIOT,jasonatran/RIOT,aeneby/RIOT,basilfx/RIOT,gebart/RIOT,gebart/RIOT,mfrey/RIOT,smlng/RIOT,ant9000/RIOT,rfuentess/RIOT,A-Paul/RIOT,neiljay/RIOT,mtausig/RIOT,toonst/RIOT,x3ro/RIOT