rtc: ab8500: remove useless check

rtc_time_to_tm always rturns a valid tm, there is no need to validate it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-ab8500.c

@@ -170,7 +170,7 @@ static int ab8500_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 
 	rtc_time_to_tm(secs, &alarm->time);
 
-	return rtc_valid_tm(&alarm->time);
+	return 0;
 }
 
 static int ab8500_rtc_irq_enable(struct device *dev, unsigned int enabled)