ARM: dts: am57xx: cl-som-am57x: add USB support

Add USB support.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am57xx-cl-som-am57x.dts

@@ -478,3 +478,19 @@ &davinci_mdio {
 	pinctrl-0 = <&davinci_mdio_pins_default>;
 	pinctrl-1 = <&davinci_mdio_pins_sleep>;
 };
+
+&usb2_phy1 {
+	phy-supply = <&ldousb_reg>;
+};
+
+&usb2_phy2 {
+	phy-supply = <&ldousb_reg>;
+};
+
+&usb1 {
+	dr_mode = "host";
+};
+
+&usb2 {
+	dr_mode = "peripheral";
+};