ARM: at91: sama5d3: enable qt1070 as a wakeup source

Enable qt1070 keyboard as a wakeup source on sama5d3xek board.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/sama5d3xdm.dtsi

@@ -18,6 +18,7 @@ qt1070: keyboard@1b {
 					interrupts = <31 0x0>;
 					pinctrl-names = "default";
 					pinctrl-0 = <&pinctrl_qt1070_irq>;
+					wakeup-source;
 				};
 			};