ARM: STi: DT: STiH416: Add pinctl setup for usb controllers.

This patch adds the required pin config for all usb controllers
on the stih416.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>

arch/arm/boot/dts/stih416-pinctrl.dtsi

@@ -147,6 +147,15 @@
 				};
 			};
 
+			usb {
+				pinctrl_usb3: usb3 {
+					st,pins {
+						oc-detect = <&pio40 0 ALT1 IN>;
+						pwr-enable = <&pio40 1 ALT1 OUT>;
+					};
+				};
+			};
+
 			sbc_i2c1 {
 				pinctrl_sbc_i2c1_default: sbc_i2c1-default {
 					st,pins {
@@ -318,6 +327,16 @@
 				};
 			};
 
+			usb {
+				pinctrl_usb0: usb0 {
+					st,pins {
+						oc-detect = <&pio9 4 ALT1 IN>;
+						pwr-enable = <&pio9 5 ALT1 OUT>;
+					};
+				};
+			};
+
+
 			i2c1 {
 				pinctrl_i2c1_default: i2c1-default {
 					st,pins {
@@ -506,6 +525,21 @@
 					};
 				};
 			};
+
+			usb {
+				pinctrl_usb1: usb1 {
+					st,pins {
+						oc-detect = <&pio18 0 ALT1 IN>;
+						pwr-enable = <&pio18 1 ALT1 OUT>;
+					};
+				};
+				pinctrl_usb2: usb2 {
+					st,pins {
+						oc-detect = <&pio18 2 ALT1 IN>;
+						pwr-enable = <&pio18 3 ALT1 OUT>;
+					};
+				};
+			};
 		};
 
 		pin-controller-fvdp-fe {