ARM: dts: imx6sl-evk: enable the SPI NOR

enable the spi nor for imx6sl-evk boards.
Signed-off-by: NHuang Shijie <b32955@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6sl-evk.dts

@@ -41,6 +41,22 @@
 	};
 };
 
+&ecspi1 {
+	fsl,spi-num-chipselects = <1>;
+	cs-gpios = <&gpio4 11 0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi1_1>;
+	status = "okay";
+
+	flash: m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "st,m25p32";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+};
+
 &fec {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec_1>;