rtc: diasemi: 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.

Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index f85cae2..b4e054c 100644
--- a/drivers/rtc/rtc-da9063.c
+++ b/drivers/rtc/rtc-da9063.c
@@ -256,7 +256,7 @@ static int da9063_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	else
 		rtc->rtc_sync = false;
 
-	return rtc_valid_tm(tm);
+	return 0;
 }
 
 static int da9063_rtc_set_time(struct device *dev, struct rtc_time *tm)