ARM: dts: imx6dql-nitrogen6x: add touchscreen support

This patch adds the different touchscreens that can be connected using
the displays available for this board.
http://boundarydevices.com/product-category/displays/

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi

@@ -284,6 +284,21 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c3>;
 	status = "okay";
+
+	touchscreen@04 {
+		compatible = "eeti,egalax_ts";
+		reg = <0x04>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+		wakeup-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
+	};
+
+	touchscreen@38 {
+		compatible = "edt,edt-ft5x06";
+		reg = <0x38>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+	};
 };
 
 &iomuxc {
@@ -295,6 +310,7 @@
 			fsl,pins = <
 				/* SGTL5000 sys_mclk */
 				MX6QDL_PAD_GPIO_0__CCM_CLKO1    0x030b0
+				MX6QDL_PAD_GPIO_9__GPIO1_IO09	0x1b0b0
 			>;
 		};