arm64: dts: tegra: smaug: Add Wi-Fi node

The Google Pixel C contains a BRCM4354 Wi-Fi + BT module.
Add a DT node for its Wi-Fi functionality. Tested on 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

@@ -1709,6 +1709,25 @@ usb3-0 {
 		};
 	};
 
+	mmc@700b0200 {
+		power-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+		bus-width = <4>;
+		non-removable;
+		vqmmc-supply = <&pp1800>;
+		vmmc-supply = <&pp3300>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "okay";
+
+		wifi@1 {
+			compatible = "brcm,bcm4354-fmac", "brcm,bcm4329-fmac";
+			reg = <1>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(H, 2) IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host-wake";
+		};
+	};
+
 	mmc@700b0600 {
 		bus-width = <8>;
 		non-removable;