ARM: dts: omap5-uevm: Add Palmas power button support

Palmas on OMAP5uevm has support for power button, so enable it.
Signed-off-by: NAparna Balasubramanian <aparnab@ti.com>
Acked-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap5-uevm.dts

@@ -510,6 +510,13 @@
 				};
 			};
 		};
+
+		palmas_power_button: palmas_power_button {
+			compatible = "ti,palmas-pwrbutton";
+			interrupt-parent = <&palmas>;
+			interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+			wakeup-source;
+		};
 	};
 
 	twl6040: twl@4b {