drivers/rtc/rtc-armada38x.c: remove unused local `flags'

Reported-by: Fengguang Wu <fengguang.wu@gmail.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-armada38x.c

@@ -64,7 +64,7 @@ static void rtc_delayed_write(u32 val, struct armada38x_rtc *rtc, int offset)
 static int armada38x_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);
-	unsigned long time, time_check, flags;
+	unsigned long time, time_check;
 
 	mutex_lock(&rtc->mutex_time);
 	time = readl(rtc->regs + RTC_TIME);