ARM: dts: stm32: enable USB OTG HS on stm32mp15 DKx boards

This patch enables USB OTG HS on stm32mp15 dkx in Peripheral mode.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp15xx-dkx.dtsi

@@ -594,6 +594,13 @@ &usbh_ehci {
 	status = "okay";
 };
 
+&usbotg_hs {
+	dr_mode = "peripheral";
+	phys = <&usbphyc_port1 0>;
+	phy-names = "usb2-phy";
+	status = "okay";
+};
+
 &usbphyc {
 	status = "okay";
 };