ARM: dts: rockchip: add gpu node to rk3288-miqi

Add the Mali GPU node to the MiQi device-tree.

Signed-off-by: Demetris Ierokipides <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Heiko Stuebner <[e-mail]>

arch/arm/boot/dts/rk3288-miqi.dts

···
 	status = "okay";
 };
 
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
 &hdmi {
 	ddc-i2c-bus = <&i2c5>;
 	status = "okay";