arm64: tegra: Enable GPU on Smaug

Enable the GPU on the Pixel C.
Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra210-smaug.dts

@@ -36,6 +36,11 @@ dpaux: dpaux@545c0000 {
 		};
 	};
 
+	gpu@57000000 {
+		vdd-supply = <&max77621_gpu>;
+		status = "okay";
+	};
+
 	pinmux: pinmux@700008d4 {
 		pinctrl-names = "boot";
 		pinctrl-0 = <&state_boot>;