arm64: dts: ti: k3-am62-lp-sk: Remove tps65219 power-button

On am62-lp-sk the PMIC is not wired up to a power button. Remove this
property. This fixes issues observed when entering a very deep sleep
state that is not yet available upstream.

Fixes: e6a51ffa ("arm64: ti: dts: Add support for AM62x LP SK")
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/r/20240325152029.2933445-1-msp@baylibre.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts

@@ -166,7 +166,6 @@ tps65219: pmic@30 {
 
 		interrupt-parent = <&gic500>;
 		interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>;
-		ti,power-button;
 
 		regulators {
 			buck1_reg: buck1 {