drivers/mma8x5x: add module to Kconfig
drivers/mma8x5x: add module to Kconfig

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