Fixed RTC weekday for GBA_CORE_V7.

Author: aquanull

src/gba/RTC.cpp

@@ -140,11 +140,7 @@ bool rtcWrite(u32 address, u16 value)
 							rtcClockData.data[0] = toBCD(newtime->tm_year);
 							rtcClockData.data[1] = toBCD(newtime->tm_mon + 1);
 							rtcClockData.data[2] = toBCD(newtime->tm_mday);
-#ifdef USE_GBA_CORE_V7
-							rtcClockData.data[3] = 0;
-#else
 							rtcClockData.data[3] = toBCD(newtime->tm_wday);
-#endif
 							rtcClockData.data[4] = toBCD(newtime->tm_hour);
 							rtcClockData.data[5] = toBCD(newtime->tm_min);
 							rtcClockData.data[6] = toBCD(newtime->tm_sec);