gpiolib: acpi: make fwnode take precedence in struct gpio_chip

If the driver sets the fwnode in struct gpio_chip, let it take
precedence over the parent's fwnode.

This is a follow up to the commit 9126a738edc1 ("gpiolib: of: make
fwnode take precedence in struct gpio_chip").
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

drivers/gpio/gpiolib-acpi.c

@@ -1339,6 +1339,9 @@ void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
 	/* Set default fwnode to parent's one if present */
 	if (gc->parent)
 		ACPI_COMPANION_SET(&gdev->dev, ACPI_COMPANION(gc->parent));
+
+	if (gc->fwnode)
+		device_set_node(&gdev->dev, gc->fwnode);
 }
 
 static int acpi_gpio_package_count(const union acpi_object *obj)