ARM: apx4devkit: add NAND support

Signed-off-by: NLauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/apx4devkit.dts

@@ -11,6 +11,12 @@
 
 	apb@80000000 {
 		apbh@80000000 {
+			gpmi-nand@8000c000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
+				status = "okay";
+			};
+
 			ssp0: ssp@80010000 {
 				compatible = "fsl,imx28-mmc";
 				pinctrl-names = "default";