arm64: tegra: Add Tegra234 pin controllers

Add the device tree nodes for the MAIN and AON pin controllers found on
the Tegra234 family of SoCs.
Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra234.dtsi

@@ -108,6 +108,12 @@ gpio: gpio@2200000 {
 			interrupt-controller;
 			#gpio-cells = <2>;
 			gpio-controller;
+			gpio-ranges = <&pinmux 0 0 164>;
+		};
+
+		pinmux: pinmux@2430000 {
+			compatible = "nvidia,tegra234-pinmux";
+			reg = <0x0 0x2430000 0x0 0x19100>;
 		};
 
 		gpcdma: dma-controller@2600000 {
@@ -1749,6 +1755,12 @@ gpio_aon: gpio@c2f0000 {
 			interrupt-controller;
 			#gpio-cells = <2>;
 			gpio-controller;
+			gpio-ranges = <&pinmux_aon 0 0 32>;
+		};
+
+		pinmux_aon: pinmux@c300000 {
+			compatible = "nvidia,tegra234-pinmux-aon";
+			reg = <0x0 0xc300000 0x0 0x4000>;
 		};
 
 		pwm4: pwm@c340000 {