arm64: dts: qcom: align LED node names with dtschema

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

  qcom/msm8998-oneplus-cheeseburger.dtb: leds: 'button-backlight' does not match any of the regexes: '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
  qcom/sc7180-trogdor-coachz-r1.dtb: pwmleds: 'keyboard-backlight' does not match any of the regexes: '^led(-[0-9a-f]+)?$', 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221125144209.477328-1-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/msm8998-oneplus-cheeseburger.dts

@@ -22,7 +22,7 @@ leds {
 		pinctrl-names = "default";
 		pinctrl-0 = <&button_backlight_default>;
 
-		button-backlight {
+		led-keypad-backlight {
 			gpios = <&pmi8998_gpio 5 GPIO_ACTIVE_HIGH>;
 			color = <LED_COLOR_ID_WHITE>;
 			function = LED_FUNCTION_KBD_BACKLIGHT;

arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi

@@ -354,7 +354,7 @@ max98360a: audio-codec-0 {
 
 	pwmleds {
 		compatible = "pwm-leds";
-		keyboard_backlight: keyboard-backlight {
+		keyboard_backlight: led-0 {
 			status = "disabled";
 			label = "cros_ec::kbd_backlight";
 			function = LED_FUNCTION_KBD_BACKLIGHT;

arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi

@@ -307,7 +307,7 @@ max98360a: audio-codec-0 {
 	pwmleds: pwmleds {
 		compatible = "pwm-leds";
 		status = "disabled";
-		keyboard_backlight: keyboard-backlight {
+		keyboard_backlight: led-0 {
 			label = "cros_ec::kbd_backlight";
 			function = LED_FUNCTION_KBD_BACKLIGHT;
 			pwms = <&cros_ec_pwm 0>;