ARM: dts: imx25-pdk: Add FEC pins

Instead of relying on the bootloader for configuring the FEC pins, pass the
FEC pin configuration via device tree instead.
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

@@ -23,11 +23,27 @@ memory {
 
 &fec {
 	phy-mode = "rmii";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec>;
 	status = "okay";
 };
 
 &iomuxc {
 	imx25-pdk {
+		pinctrl_fec: fecgrp {
+			fsl,pins = <
+				MX25_PAD_FEC_MDC__FEC_MDC		0x80000000
+				MX25_PAD_FEC_MDIO__FEC_MDIO		0x400001e0
+				MX25_PAD_FEC_TDATA0__FEC_TDATA0		0x80000000
+				MX25_PAD_FEC_TDATA1__FEC_TDATA1		0x80000000
+				MX25_PAD_FEC_TX_EN__FEC_TX_EN		0x80000000
+				MX25_PAD_FEC_RDATA0__FEC_RDATA0		0x80000000
+				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
+			>;
+		};
+
 		pinctrl_uart1: uart1grp {
 			fsl,pins = <
 				MX25_PAD_UART1_RTS__UART1_RTS		0xe0