rtc: rx8025: fix RX8025_BIT_CTRL2_CTFG initialization

RX8025_BIT_CTRL2_CTFG was set to 0 only when it was already 0.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index f9b86b9..f3f1de2 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -270,7 +270,7 @@
 		need_clear = 1;
 	}
 
-	if (!(ctrl[1] & RX8025_BIT_CTRL2_CTFG))
+	if (ctrl[1] & RX8025_BIT_CTRL2_CTFG)
 		need_clear = 1;
 
 	if (need_clear) {