regulator: max8952: Silence checkpatch warning

Silences the following type of checkpatch warning:
WARNING: Missing a blank line after declarations
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/max8952.c

@@ -57,6 +57,7 @@ struct max8952_data {
 static int max8952_read_reg(struct max8952_data *max8952, u8 reg)
 {
 	int ret = i2c_smbus_read_byte_data(max8952->client, reg);
+
 	if (ret > 0)
 		ret &= 0xff;