ARM: imx27-apf27dev: Add sdhci support

Signed-off-by: NGwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx27-apf27dev.dts

@@ -89,3 +89,9 @@
 &i2c2 {
 	status = "okay";
 };
+
+&sdhci2 {
+	bus-width = <4>;
+	cd-gpios = <&gpio3 14 0>;
+	status = "okay";
+};