regulator: hi6421: style fix, else with a single return is not required

style fix for warnings. 'else' with a single 'return' is usually not
required.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/hi6421-regulator.c

@@ -435,7 +435,7 @@ static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev)
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
 	if (reg_val & info->mode_mask)
 		return REGULATOR_MODE_IDLE;
-	else
+
 	return REGULATOR_MODE_NORMAL;
 }
 
@@ -447,7 +447,7 @@ static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev)
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
 	if (reg_val & info->mode_mask)
 		return REGULATOR_MODE_STANDBY;
-	else
+
 	return REGULATOR_MODE_NORMAL;
 }
 
@@ -506,7 +506,7 @@ unsigned int hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev,
 
 	if (load_uA > info->eco_microamp)
 		return REGULATOR_MODE_NORMAL;
-	else
+
 	return REGULATOR_MODE_IDLE;
 }