ARM: dts: imx27-phytec-phycore-rdk: Enable 1-Wire module

This patch enables 1-Wire module for Phytec PCM-970 RDK.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts

@@ -44,6 +44,12 @@ MX27_PAD_I2C_CLK__I2C_CLK	0x0
 			>;
 		};
 
+		pinctrl_owire1: owire1grp {
+			fsl,pins = <
+				MX27_PAD_RTCK__OWIRE 0x0
+			>;
+		};
+
 		pinctrl_uart1: uart1grp {
 			fsl,pins = <
 				MX27_PAD_UART1_TXD__UART1_TXD 0x0
@@ -64,6 +70,12 @@ MX27_PAD_UART2_RTS__UART2_RTS 0x0
 	};
 };
 
+&owire {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_owire1>;
+	status = "okay";
+};
+
 &sdhci2 {
 	bus-width = <4>;
 	cd-gpios = <&gpio3 29 GPIO_ACTIVE_HIGH>;