arm64: tegra: Enable USB device for Jetson AGX Orin

Enable USB device support for the Jetson AGX Orin platform and update
the mode for the usb2-0 port to be on-the-go.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts

@@ -2096,7 +2096,8 @@ usb3-2 {
 
 			ports {
 				usb2-0 {
-					mode = "host";
+					mode = "otg";
+					usb-role-switch;
 					status = "okay";
 					port {
 						hs_typec_p1: endpoint {
@@ -2152,6 +2153,14 @@ usb3-2 {
 			};
 		};
 
+		usb@3550000 {
+			status = "okay";
+
+			phys = <&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+			       <&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-1}>;
+			phy-names = "usb2-0", "usb3-0";
+		};
+
 		usb@3610000 {
 			status = "okay";