[U-Boot] rtc: ds3231/ds3232: fix coding style

[Biwen Li]

The patch fixes coding style

Signed-off-by: Biwen Li <biwen.li at nxp.com>
---
 drivers/rtc/ds3231.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/ds3231.c b/drivers/rtc/ds3231.c
index fde4d860ec..eb5ce73a76 100644
--- a/drivers/rtc/ds3231.c
+++ b/drivers/rtc/ds3231.c
@@ -260,10 +260,11 @@ int rtc_enable_32khz_output(int busnum, int chip_addr)
 	struct udevice *dev;
 
 	ret = i2c_get_chip_for_busnum(busnum, chip_addr, 1, &dev);
-	if (!ret)
+	if (!ret) {
 		ret = dm_i2c_reg_write(dev, RTC_STAT_REG_ADDR,
 				       RTC_STAT_BIT_BB32KHZ |
 				       RTC_STAT_BIT_EN32KHZ);
+	}
 	return ret;
 }
 #endif
-- 
2.17.1