staging: iio: adt7316: match parenthesis alignment

This patch solves the following checkpatch.pl message:
CHECK: Alignment should match open parenthesis.
This makes the file more compliant with the preferred coding style for
the Linux kernel.
Signed-off-by: João Seckler <joaoseckler@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/staging/iio/addac/adt7316.c

@@ -2154,7 +2154,7 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
 		chip->dac_bits = 8;
 
 	chip->ldac_pin = devm_gpiod_get_optional(dev, "adi,ldac",
-						GPIOD_OUT_LOW);
+						 GPIOD_OUT_LOW);
 	if (IS_ERR(chip->ldac_pin)) {
 		ret = PTR_ERR(chip->ldac_pin);
 		dev_err(dev, "Failed to request ldac GPIO: %d\n", ret);