ARM: dts: dra7-evm: Mark uart1 rxd as wakeup capable

Mark rxd as wakeupcapable for 115200n8 no hardware-flow control
configuration. If h/w flow control is being used, then rts/cts
appropriately should be used.
Signed-off-by: Nishanth Menon <nm@ti.com>

arch/arm/boot/dts/dra7-evm.dts

@@ -303,6 +303,8 @@ &uart1 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_pins>;
+	interrupts-extended = <&gic GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
+			      <&dra7_pmx_core 0x3e0>;
 };
 
 &uart2 {