dist/tools/nrf52_resetpin: delete obsolete register
dist/tools/nrf52_resetpin: delete obsolete register

aeneby/RIOT,cladmi/RIOT,smlng/RIOT,x3ro/RIOT,OTAkeys/RIOT,authmillenon/RIOT,authmillenon/RIOT,cladmi/RIOT,kaspar030/RIOT,mfrey/RIOT,cladmi/RIOT,basilfx/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,smlng/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,basilfx/RIOT,smlng/RIOT,x3ro/RIOT,smlng/RIOT,kYc0o/RIOT,ant9000/RIOT,yogo1212/RIOT,mfrey/RIOT,cladmi/RIOT,ant9000/RIOT,jasonatran/RIOT,smlng/RIOT,rfuentess/RIOT,x3ro/RIOT,miri64/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,yogo1212/RIOT,jasonatran/RIOT,ant9000/RIOT,basilfx/RIOT,OlegHahm/RIOT,jasonatran/RIOT,OTAkeys/RIOT,miri64/RIOT,yogo1212/RIOT,yogo1212/RIOT,x3ro/RIOT,aeneby/RIOT,authmillenon/RIOT,mfrey/RIOT,kYc0o/RIOT,josephnoir/RIOT,kaspar030/RIOT,kYc0o/RIOT,toonst/RIOT,toonst/RIOT,aeneby/RIOT,OlegHahm/RIOT,mtausig/RIOT,miri64/RIOT,toonst/RIOT,rfuentess/RIOT,miri64/RIOT,OTAkeys/RIOT,rfuentess/RIOT,toonst/RIOT,yogo1212/RIOT,kaspar030/RIOT,rfuentess/RIOT,kaspar030/RIOT,jasonatran/RIOT,yogo1212/RIOT,toonst/RIOT,josephnoir/RIOT,ant9000/RIOT,aeneby/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,cladmi/RIOT,x3ro/RIOT,authmillenon/RIOT,basilfx/RIOT,rfuentess/RIOT,mtausig/RIOT,josephnoir/RIOT,kYc0o/RIOT,mfrey/RIOT,OlegHahm/RIOT,mfrey/RIOT,ant9000/RIOT,mtausig/RIOT,josephnoir/RIOT,authmillenon/RIOT,mtausig/RIOT,authmillenon/RIOT,aeneby/RIOT,basilfx/RIOT,OlegHahm/RIOT,kaspar030/RIOT,kYc0o/RIOT,miri64/RIOT,RIOT-OS/RIOT,mtausig/RIOT,josephnoir/RIOT