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>

arch/arm/boot/dts/imx28-cfa10049.dts

@@ -22,6 +22,22 @@
 	apb@80000000 {
 		apbh@80000000 {
 			pinctrl@80018000 {
+				pinctrl-names = "default", "default";
+				pinctrl-1 = <&hog_pins_cfa10049>;
+
+				hog_pins_cfa10049: hog-10049@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x0073 /* MX28_PAD_GPMI_D7__GPIO_0_7 */
+						0x1163 /* MX28_PAD_LCD_D22__GPIO_1_22 */
+						0x1173 /* MX28_PAD_LCD_D22__GPIO_1_23 */
+						0x2153 /* MX28_PAD_SSP2_D5__GPIO_2_21 */
+					>;
+					fsl,drive-strength = <0>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+
 				spi3_pins_cfa10049: spi3-cfa10049@0 {
 					reg = <0>;
 					fsl,pinmux-ids = <