ARM: apx4devkit: add pin muxing for GPIOs

Some pins are used as GPIOs in user space.
Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/apx4devkit.dts

@@ -40,8 +40,13 @@ pinctrl@80018000 {
 				hog_pins_a: hog-gpios@0 {
 					reg = <0>;
 					fsl,pinmux-ids = <
+						0x0113 /* MX28_PAD_GPMI_CE1N__GPIO_0_17 */
+						0x0153 /* MX28_PAD_GPMI_RDY1__GPIO_0_21 */
+						0x2123 /* MX28_PAD_SSP2_MISO__GPIO_2_18 */
+						0x2131 /* MX28_PAD_SSP2_SS0__GPIO_2_19 */
 						0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */
 						0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */
+						0x4143 /* MX28_PAD_JTAG_RTCK__GPIO_4_20 */
 					>;
 					fsl,drive-strength = <0>;
 					fsl,voltage = <1>;