pinctrl/lantiq: Fix GPIO Setup of GPIO Port3

Some special handling of GPIO Port 3 is needed because of
some hardware thingofabob.
Signed-off-by: NJohn Crispin <blogic@openwrt.org>
Signed-off-by: NMartin Schiller <mschiller@tdt.de>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-xway.c

@@ -1563,6 +1563,10 @@ static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val)
 {
 	struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
 
+	if (PORT(pin) == PORT3)
+		gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
+	else
+		gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
 	gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
 	xway_gpio_set(chip, pin, val);