regulator: qcom-rpmh: Add pmc8180 and pmc8180c

Add RPMH regulator compatibles for two of the PMIC variants used on the
SC8180x platform.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210120224901.1611232-1-bjorn.andersson@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/regulator/qcom,rpmh-regulator.txt

@@ -50,6 +50,8 @@ First Level Nodes - PMIC
 		    "qcom,pm8350-rpmh-regulators"
 		    "qcom,pm8350c-rpmh-regulators"
 		    "qcom,pm8998-rpmh-regulators"
+		    "qcom,pmc8180-rpmh-regulators"
+		    "qcom,pmc8180c-rpmh-regulators"
 		    "qcom,pmi8998-rpmh-regulators"
 		    "qcom,pm6150-rpmh-regulators"
 		    "qcom,pm6150l-rpmh-regulators"