add fuse settings for atmega8 to rules-avr.mk
add fuse settings for atmega8 to rules-avr.mk

FlamingLotusGirls/soma,mct/soma,mct/soma,konkers/flg,mct/soma,mct/soma,FlamingLotusGirls/soma,FlamingLotusGirls/soma,konkers/flg,FlamingLotusGirls/soma,konkers/flg,mct/soma,konkers/flg,mct/soma,FlamingLotusGirls/soma,FlamingLotusGirls/soma,FlamingLotusGirls/soma,mct/soma