gpio: grgpio: remove irq_domain resources on failure

Call irq_domain_remove when gpiochip_add fails to release irq_domain
resources.
Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-grgpio.c

@@ -441,6 +441,7 @@ static int grgpio_probe(struct platform_device *ofdev)
 	err = gpiochip_add(gc);
 	if (err) {
 		dev_err(&ofdev->dev, "Could not add gpiochip\n");
+		irq_domain_remove(priv->domain);
 		return err;
 	}