ARM: dts: omap-embt2ws: system-power-controller for bt200

Configure the TWL6032 as system power controller to let the device
power off.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Message-ID: <20240217082007.3238948-4-andreas@kemnade.info>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts

@@ -85,6 +85,7 @@ twl: pmic@48 {
 		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* IRQ_SYS_1N cascaded to gic */
 		interrupt-controller;
 		#interrupt-cells = <1>;
+		system-power-controller;
 
 		rtc {
 			compatible = "ti,twl4030-rtc";