ARM: dts: imx25-pdk: Provide an Ethernet PHY reset

GPIO4_8 is connected to the Ethernet PHY reset line, so populate the
'phy-reset-gpios' property accordingly.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx25-pdk.dts

@@ -42,6 +42,7 @@ &fec {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec>;
 	phy-supply = <&reg_fec_3v3>;
+	phy-reset-gpios = <&gpio4 8 0>;
 	status = "okay";
 };
 
@@ -59,6 +60,7 @@ MX25_PAD_FEC_RDATA1__FEC_RDATA1		0x80000000
 				MX25_PAD_FEC_RX_DV__FEC_RX_DV		0x80000000
 				MX25_PAD_FEC_TX_CLK__FEC_TX_CLK		0x1c0
 				MX25_PAD_A17__GPIO_2_3			0x80000000
+				MX25_PAD_D12__GPIO_4_8			0x80000000
 			>;
 		};