arm64: dts: qcom: sc8280xp-x13s: Add PMR735A VADC channel

Add VADC channel of PMR735A for measuring the on-chip die temperature.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221103095810.64606-11-manivannan.sadhasivam@linaro.org

arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts

@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
 #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
+#include <dt-bindings/iio/qcom,spmi-adc7-pmr735a.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 
 #include "sc8280xp.dtsi"
@@ -246,6 +247,11 @@ sys-therm@347 {
 		qcom,hw-settle-time = <200>;
 		qcom,ratiometric;
 	};
+
+	pmic-die-temp@403 {
+		reg = <PMR735A_ADC7_DIE_TEMP>;
+		qcom,pre-scaling = <1 1>;
+	};
 };
 
 &qup0 {