rtc: bq32k: Use correct mask name for 'minutes' register.

The BQ32K_SECONDS_MASK and BQ32K_MINUTES_MASK both has the same
value. This is no functional change.

Signed-off-by: Jan Östlund <jao@hms.se>
Signed-off-by: Daniel Romell <daro@hms.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c
index 0299988..5a0c137 100644
--- a/drivers/rtc/rtc-bq32k.c
+++ b/drivers/rtc/rtc-bq32k.c
@@ -94,7 +94,7 @@
 		return error;
 
 	tm->tm_sec = bcd2bin(regs.seconds & BQ32K_SECONDS_MASK);
-	tm->tm_min = bcd2bin(regs.minutes & BQ32K_SECONDS_MASK);
+	tm->tm_min = bcd2bin(regs.minutes & BQ32K_MINUTES_MASK);
 	tm->tm_hour = bcd2bin(regs.cent_hours & BQ32K_HOURS_MASK);
 	tm->tm_mday = bcd2bin(regs.date);
 	tm->tm_wday = bcd2bin(regs.day) - 1;