ARM: dts: qcom: Add LPG node to pm8941

The PM8941 contains 8 LPG channels, as well as TRILED and LUT blocks.
Add a node for these.

Signed-off-by: Bjorn Andersson <[e-mail]>
Reviewed-by: Konrad Dybcio <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/arm/boot/dts/qcom-pm8941.dtsi

···
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		pm8941_lpg: lpg {
+			compatible = "qcom,pm8941-lpg";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#pwm-cells = <2>;
+
+			status = "disabled";
+		};
+
 		pm8941_wled: wled@d800 {
 			compatible = "qcom,pm8941-wled";
 			reg = <0xd800>;