ARM: dts: rockchip: Enable GPU for XPI-3128

Add the supply and enable gpu node for XPI-3128 board.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20231204153547.97877-4-knaerzche@gmail.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rockchip/rk3128-xpi-3128.dts

@@ -328,6 +328,11 @@ &gpio3 {
 			  "", "", "", "";
 };
 
+&gpu {
+	mali-supply = <&vdd_log>;
+	status = "okay";
+};
+
 &mdio {
 	phy0: ethernet-phy@1 {
 		compatible = "ethernet-phy-ieee802.3-c22";