sunxi: gpio: Add "allwinner,sun8i-a33-pinctrl"

Add "allwinner,sun8i-a33-pinctrl", this is used by the latest upstream
linux sunxi dts files.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

drivers/gpio/sunxi_gpio.c

@@ -304,6 +304,7 @@ static const struct udevice_id sunxi_gpio_ids[] = {
 	{ .compatible = "allwinner,sun6i-a31s-pinctrl" },
 	{ .compatible = "allwinner,sun7i-a20-pinctrl" },
 	{ .compatible = "allwinner,sun8i-a23-pinctrl" },
+	{ .compatible = "allwinner,sun8i-a33-pinctrl" },
 	{ .compatible = "allwinner,sun9i-a80-pinctrl" },
 	{ }
 };