test/kconfig_features: Add atmega328p-based boards to list
test/kconfig_features: Add atmega328p-based boards to list

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