arm64: dts: rockchip: enable usb3 controllers on rk3399-firefly

This allows basic usage of usb3 devices but no typec specific things yet.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399-firefly.dts

@@ -698,3 +698,21 @@ &usb_host1_ehci {
 &usb_host1_ohci {
 	status = "okay";
 };
+
+&usbdrd3_0 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+	status = "okay";
+	dr_mode = "otg";
+};
+
+&usbdrd3_1 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+	status = "okay";
+	dr_mode = "host";
+};