ARM: dts: imx51-babbage: Make use of pinctrl_usbh1reg

Pinctrl_usbh1reg defines pinmux setting for reset GPIO used by
usbh1phy, but is not referenced by that node. Fix that.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx51-babbage.dts

@@ -177,6 +177,8 @@ usbphy {
 
 		usbh1phy: usbh1phy@0 {
 			compatible = "usb-nop-xceiv";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usbh1reg>;
 			reg = <0>;
 			clocks = <&clk_usb>;
 			clock-names = "main_clk";