Set state.spu.ch1.master = true (Fixes #1539)

This fixes #1539. Prior to 2.2.2, state.spu.ch1.master was set to false when using a BIOS. Starting with 2.2.2, the Game Boy BIOS is required. Setting this to true causes a buzzing sound while the Nintendo logo drops during BIOS.

libgambatte/src/initstate.cpp

@@ -1278,7 +1278,7 @@ void gambatte::setInitState(SaveState &state, const bool cgb, const bool gbaCgbM
 	state.spu.ch1.lcounter.counter = SoundUnit::COUNTER_DISABLED;
 	state.spu.ch1.lcounter.lengthCounter = 0;
 	state.spu.ch1.nr4 = 0;
-	state.spu.ch1.master = true;
+	state.spu.ch1.master = false;
 	
 	state.spu.ch2.duty.nextPosUpdate = SoundUnit::COUNTER_DISABLED;
 	state.spu.ch2.duty.nr3 = 0;