boards: st: stm32u5a9 disco kit has a OTG HS peripheral

Enable the USB OTG HS node of the stm32u5a9j_dk board

Signed-off-by: Francois Ramu <francois.ramu@st.com>
diff --git a/boards/st/stm32u5a9j_dk/stm32u5a9j_dk.dts b/boards/st/stm32u5a9j_dk/stm32u5a9j_dk.dts
index 05bdfdd..f8dbb7f 100644
--- a/boards/st/stm32u5a9j_dk/stm32u5a9j_dk.dts
+++ b/boards/st/stm32u5a9j_dk/stm32u5a9j_dk.dts
@@ -247,6 +247,12 @@
 	};
 };
 
+zephyr_udc0: &usbotg_hs {
+	pinctrl-0 = <&usb_otg_hs_dm_pa11 &usb_otg_hs_dp_pa12>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &flash0 {
 	partitions {
 		compatible = "fixed-partitions";