ARM: dts: vf610-twr: Enable DSPI0 devices and Flash at26df081a

This patch enables DSPI0 and at26df081a flash device for Vybrid VF610
TOWER board.
Signed-off-by: Chao Fu <b44548@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/vf610-twr.dts

@@ -36,6 +36,23 @@ enet_ext {
 
 };
 
+&dspi0 {
+	bus-num = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_dspi0_1>;
+	status = "okay";
+
+	sflash: at26df081a@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "atmel,at26df081a";
+		spi-max-frequency = <16000000>;
+		spi-cpol;
+		spi-cpha;
+		reg = <0>;
+	};
+};
+
 &fec0 {
 	phy-mode = "rmii";
 	pinctrl-names = "default";