imx6dl/imx6qdl: synchronise device trees with linux

Synchronise device trees with linux-next next-20220708.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/arch/arm/dts/imx6qdl-cubox-i.dtsi b/arch/arm/dts/imx6qdl-cubox-i.dtsi
index e3be453..1e530d8 100644
--- a/arch/arm/dts/imx6qdl-cubox-i.dtsi
+++ b/arch/arm/dts/imx6qdl-cubox-i.dtsi
@@ -55,12 +55,12 @@
 		pinctrl-0 = <&pinctrl_cubox_i_ir>;
 	};
 
-	pwmleds {
+	led-controller {
 		compatible = "pwm-leds";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_cubox_i_pwm1>;
 
-		front {
+		led-1 {
 			active-low;
 			label = "imx6:red:front";
 			max-brightness = <248>;
@@ -233,6 +233,7 @@
 };
 
 &pwm1 {
+	#pwm-cells = <2>;
 	status = "okay";
 };