regulator: fix indentation issue

There is a return statement that is indented with an extra
space, fix this by removing it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200920142454.33352-1-colin.king@canonical.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/core.c

@@ -3065,7 +3065,7 @@ int regulator_get_hardware_vsel_register(struct regulator *regulator,
 	*vsel_reg = rdev->desc->vsel_reg;
 	*vsel_mask = rdev->desc->vsel_mask;
 
-	 return 0;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(regulator_get_hardware_vsel_register);