ARM: dts: omap4-kc1: Power off support

This adds support for turning off the main power supply via the TWL6030 on the
Kindle Fire (first generation).

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap4-kc1.dts

@@ -115,6 +115,11 @@
 		reg = <0x48>;
 		/* IRQ# = 7 */
 		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* IRQ_SYS_1N cascaded to gic */
+
+		twl_power: power {
+			compatible = "ti,twl6030-power";
+			ti,system-power-controller;
+		};
 	};
 };