gpiolib: of: Make use of device_match_of_node()

Make use of device_match_of_node() instead of open coding its
functionality.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

drivers/gpio/gpiolib-of.c

@@ -85,7 +85,7 @@ static int of_gpiochip_match_node_and_xlate(struct gpio_chip *chip, void *data)
 {
 	struct of_phandle_args *gpiospec = data;
 
-	return chip->gpiodev->dev.of_node == gpiospec->np &&
+	return device_match_of_node(&chip->gpiodev->dev, gpiospec->np) &&
 				chip->of_xlate &&
 				chip->of_xlate(chip, gpiospec, NULL) >= 0;
 }