arm64: dts: rockchip: rk3588-rock5b: add lower USB3 port

Enable full support (XHCI, EHCI, OHCI) for the lower USB3 port from
Radxa Rock 5 Model B.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts

@@ -715,6 +715,14 @@ &uart2 {
 	status = "okay";
 };
 
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_otg {
+	status = "okay";
+};
+
 &u2phy2 {
 	status = "okay";
 };
@@ -734,6 +742,14 @@ &u2phy3_host {
 	status = "okay";
 };
 
+&usbdp_phy1 {
+	status = "okay";
+};
+
+&usbdp_phy1_u3 {
+	status = "okay";
+};
+
 &usb_host0_ehci {
 	status = "okay";
 };
@@ -750,6 +766,10 @@ &usb_host1_ohci {
 	status = "okay";
 };
 
+&usb_host1_xhci {
+	status = "okay";
+};
+
 &usb_host2_xhci {
 	status = "okay";
 };