staging: iio: Line over 80 characters

Fix line over 80 characters, warning by checkpatch
Signed-off-by: Daniela Mormocea <daniela.mormocea@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/addac/adt7316.c

@@ -2155,7 +2155,8 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
 	else
 		chip->dac_bits = 8;
 
-	chip->ldac_pin = devm_gpiod_get_optional(dev, "adi,ldac", GPIOD_OUT_LOW);
+	chip->ldac_pin = devm_gpiod_get_optional(dev, "adi,ldac",
+						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);