makefiles/kconfiglib: Use RIOT specific menuconfig script
makefiles/kconfiglib: Use RIOT specific menuconfig script

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