ARM: dts: lpc435x: remove address and size cells from gpio-keys-polled nodes

The change removes redundant #address-cells and #size-cells properties from
gpio-keys-polled compatible device nodes found in lpc4357-ea4357-devkit and
lpc4350-hitex-eval board DTS files.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>

arch/arm/boot/dts/lpc4350-hitex-eval.dts

@@ -40,8 +40,6 @@
 
 	pca_buttons {
 		compatible = "gpio-keys-polled";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		poll-interval = <100>;
 		autorepeat;