ARM: dts: imx6: make edt-ft5x06 a wakeup source for imx6 boards

The touchscreen driver no longer configures the device as wakeup source by
default. A "wakeup-source" property is needed.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6q-var-dt6customboard.dts

@@ -177,6 +177,7 @@ touchscreen@38 {
 		touchscreen-size-y = <480>;
 		touchscreen-inverted-x;
 		touchscreen-inverted-y;
+		wakeup-source;
 	};
 
 	rtc@68 {

arch/arm/boot/dts/imx6qdl-nit6xlite.dtsi

@@ -292,6 +292,7 @@ touchscreen@38 {
 		reg = <0x38>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+		wakeup-source;
 	};
 
 	rtc@6f {

arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi

@@ -442,6 +442,7 @@ touchscreen@38 {
 		reg = <0x38>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+		wakeup-source;
 	};
 };
 

arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi

@@ -360,6 +360,7 @@ touchscreen@38 {
 		reg = <0x38>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+		wakeup-source;
 	};
 };
 

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

@@ -370,6 +370,7 @@ touchscreen@38 {
 		reg = <0x38>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+		wakeup-source;
 	};
 };