ARM: dts: enable the gpmi-nand for imx6q{dl}-sabreauto boards

enable the gpmi-nand for imx6q-sabreauto and imx6qdl-sabreauto boards.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6qdl-sabreauto.dtsi

@@ -23,6 +23,12 @@ &fec {
 	status = "okay";
 };
 
+&gpmi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpmi_nand_1>;
+	status = "okay";
+};
+
 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart4_1>;