ARM: dts: mxs: Add hog pins to Crystalfontz boards

Use a hog_pins pinctrl group to force the muxing of GPIOs used on the
Crystalfonz CFA10036 and CFA10049 boards.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts
index 3a28077..794fc9f 100644
--- a/arch/arm/boot/dts/imx28-cfa10036.dts
+++ b/arch/arm/boot/dts/imx28-cfa10036.dts
@@ -23,6 +23,19 @@
 	apb@80000000 {
 		apbh@80000000 {
 			pinctrl@80018000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&hog_pins_cfa10036>;
+
+				hog_pins_cfa10036: hog-10036@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2073 /* MX28_PAD_SSP0_D7__GPIO_2_7 */
+					>;
+					fsl,drive-strength = <0>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+
 				led_pins_cfa10036: leds-10036@0 {
 					reg = <0>;
 					fsl,pinmux-ids = <