ARM: dts: uniphier: add USB xHCI nodes for PH1-Pro5 and ProXstream2

This makes USB3.0 available on new SoCs/boards.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/uniphier-proxstream2-gentil.dts b/arch/arm/dts/uniphier-proxstream2-gentil.dts
index 81d2385..d0af8ac 100644
--- a/arch/arm/dts/uniphier-proxstream2-gentil.dts
+++ b/arch/arm/dts/uniphier-proxstream2-gentil.dts
@@ -42,6 +42,14 @@
 	status = "okay";
 };
 
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
+
 /* for U-boot only */
 / {
 	soc {