rtc: s35390a: stop validating rtc_time in .read_time

The RTC core is always calling rtc_valid_tm after the read_time callback.
It is not necessary to call it before returning from the callback.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-s35390a.c

@@ -271,7 +271,7 @@ static int s35390a_get_datetime(struct i2c_client *client, struct rtc_time *tm)
 		tm->tm_min, tm->tm_hour, tm->tm_mday, tm->tm_mon, tm->tm_year,
 		tm->tm_wday);
 
-	return rtc_valid_tm(tm);
+	return 0;
 }
 
 static int s35390a_set_alarm(struct i2c_client *client, struct rtc_wkalrm *alm)