arm64: dts: rockchip: Add node for gpu on rk3399-roc-pc

rk3399-roc-pc has a Mali gpu, enable it for use with panfrost and mesa >19.2.
Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/c2b88509-129d-46d4-9e23-15d0482951be@fivetechno.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi

@@ -238,6 +238,11 @@ &gmac {
 	status = "okay";
 };
 
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
 &hdmi {
 	ddc-i2c-bus = <&i2c3>;
 	pinctrl-names = "default";
@@ -465,8 +470,6 @@ vdd_gpu: regulator@41 {
 		regulator-min-microvolt = <712500>;
 		regulator-max-microvolt = <1500000>;
 		regulator-ramp-delay = <1000>;
-		regulator-always-on;
-		regulator-boot-on;
 		vin-supply = <&vcc3v3_sys>;
 
 		regulator-state-mem {