drivers/at86rf2xx: fixes get/set for NETOPT_AUTOACK
drivers/at86rf2xx: fixes get/set for NETOPT_AUTOACK

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