arm64: dts: qcom: pm6150l: add Light Pulse Generator device node

Add device node defining LPG/PWM block on PM6150L PMIC chip.
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240306172710.59780-3-danila@jiaxyga.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/pm6150l.dtsi

@@ -118,6 +118,16 @@ pm6150l_flash: led-controller@d300 {
 			status = "disabled";
 		};
 
+		pm6150l_lpg: pwm {
+			compatible = "qcom,pm6150l-lpg", "qcom,pm8150l-lpg";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#pwm-cells = <2>;
+
+			status = "disabled";
+		};
+
 		pm6150l_wled: leds@d800 {
 			compatible = "qcom,pm6150l-wled";
 			reg = <0xd800>, <0xd900>;