GB: Partially revert 2b77841 (fixes mgba-emu#3667)

Author: endrift

src/gb/gb.c

@@ -970,7 +970,7 @@ void GBProcessEvents(struct SM83Core* cpu) {
 				gb->timing.globalCycles += nextEvent;
 #endif
 				nextEvent = mTimingTick(&gb->timing, nextEvent);
-			} while (gb->cpuBlocked && !gb->earlyExit);
+			} while (gb->cpuBlocked);
 			// This loop cannot early exit until the SM83 run loop properly handles mid-M-cycle-exits
 			cpu->nextEvent = nextEvent;