arm64: dts: mediatek: asurada: Enable XHCI

Enable XHCI controller on the Asurada platform. This allows the use of
the USB ports, and therefore a rootfs can be loaded and a usable shell
reached from a live USB image.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-14-nfraprado@collabora.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi

@@ -579,5 +579,13 @@ &uart0 {
 	status = "okay";
 };
 
+&xhci {
+	status = "okay";
+
+	wakeup-source;
+	vusb33-supply = <&pp3300_g>;
+	vbus-supply = <&pp5000_a>;
+};
+
 #include <arm/cros-ec-keyboard.dtsi>
 #include <arm/cros-ec-sbs.dtsi>