Add support for Family Noraebang (K-663A)

iNES 2.0 Mapper 515 is used for 패밀리 노래방 Family Noraebang, a Korean karaoke cartridge that uses UNROM-style PRG banking, has provisions for an expansion cartridge, an ADC for Microphone input, and a clone of the Yamaha YM2413 chip for expansion audio: the K-663A.