makefiles/openocd: export OPENOCD_ADAPTER_INIT to required target
makefiles/openocd: export OPENOCD_ADAPTER_INIT to required target

miri64/RIOT,OTAkeys/RIOT,basilfx/RIOT,OTAkeys/RIOT,ant9000/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,kaspar030/RIOT,smlng/RIOT,authmillenon/RIOT,yogo1212/RIOT,kYc0o/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,smlng/RIOT,smlng/RIOT,smlng/RIOT,ant9000/RIOT,OlegHahm/RIOT,authmillenon/RIOT,authmillenon/RIOT,kaspar030/RIOT,authmillenon/RIOT,basilfx/RIOT,jasonatran/RIOT,basilfx/RIOT,smlng/RIOT,kYc0o/RIOT,yogo1212/RIOT,OTAkeys/RIOT,ant9000/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,miri64/RIOT,OlegHahm/RIOT,ant9000/RIOT,kYc0o/RIOT,yogo1212/RIOT,kYc0o/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,basilfx/RIOT,miri64/RIOT,authmillenon/RIOT,miri64/RIOT,basilfx/RIOT,miri64/RIOT,jasonatran/RIOT,OlegHahm/RIOT,yogo1212/RIOT,jasonatran/RIOT,kaspar030/RIOT,ant9000/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,jasonatran/RIOT,kaspar030/RIOT,kYc0o/RIOT,authmillenon/RIOT