arm64: dts: qcom: pmi8950: add pwm node

This node is actually found on some msm8953 devices (xiaomi-mido) and
allows irled enablement
Signed-off-by: Gianluca Boiano <morf3089@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240402-pmi8950-pwm-support-v1-2-1a66899eeeb3@gmail.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/pmi8950.dtsi

@@ -84,6 +84,14 @@ pmic@3 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		pmi8950_pwm: pwm@b000 {
+			compatible = "qcom,pmi8950-pwm";
+			reg = <0xb000 0x100>;
+			#pwm-cells = <2>;
+
+			status = "disabled";
+		};
+
 		pmi8950_wled: leds@d800 {
 			compatible = "qcom,pmi8950-wled";
 			reg = <0xd800>, <0xd900>;