stm32f0: rtc: fix off by one

source/platform/stm32f0/rtc.c

@@ -60,7 +60,6 @@ int rtc_get_time(struct tm *time)
 	time->tm_min  += (unsigned char)(((rtc_tr >> 12) & 0xF) * 10);
 	time->tm_hour  = (unsigned char)((rtc_tr >> 16) & 0xF);
 	time->tm_hour += (unsigned char)(((rtc_tr >> 20) & 0xF) * 10);
-	time->tm_hour -= 1;
 
 	time->tm_mday   = (unsigned char)(rtc_dr & 0xF);
 	time->tm_mday  += (unsigned char)(((rtc_dr >> 4) & 0x3) * 10);
@@ -82,7 +81,6 @@ static int rtc_set_time(struct tm *time)
 	if (!time)
 		return -1;
 
-	hour = time->tm_hour + 1;
 	mon = time->tm_mon + 1;
 	year = time->tm_year - 100;
 
@@ -90,8 +88,8 @@ static int rtc_set_time(struct tm *time)
 	rtc_tr |= (time->tm_sec / 10) << 4;
 	rtc_tr |= (time->tm_min % 10) << 8;
 	rtc_tr |= (time->tm_min / 10) << 12;
-	rtc_tr |= (hour % 10) << 16;
-	rtc_tr |= (hour / 10) << 20;
+	rtc_tr |= (time->tm_hour % 10) << 16;
+	rtc_tr |= (time->tm_hour / 10) << 20;
 
 	rtc_dr  = (time->tm_mday % 10);
 	rtc_dr |= (time->tm_mday / 10) << 4;