ARM: dts: stm32mp1: Add usbotg_hs regulator for stm32mp157c-ev1

Add usbotg_hs regulator to allow to use the USB mass-storage
feature on OTG usb port.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

arch/arm/dts/stm32mp157c-ed1.dts

@@ -361,6 +361,10 @@
 	status = "okay";
 };
 
+&usbotg_hs {
+	usb33d-supply = <&usb33>;
+};
+
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
 	vdda1v1-supply = <&reg11>;