tests: adapt kw2xrf for new network interface API
tests: adapt kw2xrf for new network interface API

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