ARM: dts: am335x: align LED node names with dtschema

The node names should be generic and DT schema expects certain pattern:

  am335x-baltos-ir2110.dtb: leds: 'app', 'power', 'wlan' do not match any of the regexes: '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
Acked-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20221125144118.476905-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm/boot/dts/am335x-baltos-leds.dtsi

@@ -17,18 +17,18 @@ leds {
 
 		compatible = "gpio-leds";
 
-		power {
+		led-power {
 			label = "onrisc:red:power";
 			linux,default-trigger = "default-on";
 			gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
 			default-state = "on";
 		};
-		wlan {
+		led-wlan {
 			label = "onrisc:blue:wlan";
 			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
-		app {
+		led-app {
 			label = "onrisc:green:app";
 			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
 			default-state = "off";

arch/arm/boot/dts/am335x-pocketbeagle.dts

@@ -23,28 +23,28 @@ leds {
 
 		compatible = "gpio-leds";
 
-		usr0 {
+		led-usr0 {
 			label = "beaglebone:green:usr0";
 			gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
 			default-state = "off";
 		};
 
-		usr1 {
+		led-usr1 {
 			label = "beaglebone:green:usr1";
 			gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "mmc0";
 			default-state = "off";
 		};
 
-		usr2 {
+		led-usr2 {
 			label = "beaglebone:green:usr2";
 			gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "cpu0";
 			default-state = "off";
 		};
 
-		usr3 {
+		led-usr3 {
 			label = "beaglebone:green:usr3";
 			gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
 			default-state = "off";