ARM: dts: imx6qdl-wandboard: Provide phy-reset-gpios

GPIO3_29 is used to reset the ethernet phy.

Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6qdl-wandboard.dtsi

@@ -88,6 +88,7 @@ MX6QDL_PAD_EIM_A25__GPIO5_IO02   0x80000000 /* WL_RST_N */
 				MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x80000000 /* WL_REG_ON */
 				MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x80000000 /* WL_HOST_WAKE */
 				MX6QDL_PAD_ENET_TXD0__GPIO1_IO30 0x80000000 /* WL_WAKE */
+				MX6QDL_PAD_EIM_D29__GPIO3_IO29   0x80000000
 			>;
 		};
 	};
@@ -97,6 +98,7 @@ &fec {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enet_1>;
 	phy-mode = "rgmii";
+	phy-reset-gpios = <&gpio3 29 0>;
 	status = "okay";
 };