ARM: dts: omap3-gta04: Enable power-off using twl4030

Enabled poweroff through PMIC on GTA04.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-gta04.dtsi

@@ -244,6 +244,11 @@ twl_audio: audio {
 			codec {
 			};
 		};
+
+		twl_power: power {
+			compatible = "ti,twl4030-power";
+			ti,use_poweroff;
+		};
 	};
 };