ARM: dts: i.MX51 boards: Switch to use standard GPIO flags definitions

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx51-apf51.dts b/arch/arm/boot/dts/imx51-apf51.dts
index 58ccf44..e88b2a6 100644
--- a/arch/arm/boot/dts/imx51-apf51.dts
+++ b/arch/arm/boot/dts/imx51-apf51.dts
@@ -36,7 +36,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec>;
 	phy-mode = "mii";
-	phy-reset-gpios = <&gpio3 0 0>;
+	phy-reset-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
 	phy-reset-duration = <1>;
 	status = "okay";
 };