ARM: imx23-olinuxino: Add spi support

imx23-olinuxino board has spi pins exposed on external connector.
This patch add spi support.

Signed-off-by: Fadil Berisha <f.koliqi@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index 8bd56fc..7c43b8e 100644
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -56,6 +56,15 @@
 					fsl,pull-up = <0>;
 				};
 			};
+
+			ssp1: ssp@80034000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx23-spi";
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi2_pins_a>;
+				status = "okay";
+			};
 		};
 
 		apbx@80040000 {