regulator: qcom,rpmh-regulator: Add compatible for SA8155p-adp board pmic

Add compatible string for pmm8155au pmic found on
the SA8155p-adp board.

Cc: Mark Brown <[email protected]>
Cc: Bjorn Andersson <[email protected]>
Signed-off-by: Bhupesh Sharma <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: bhupesh-sharma

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

@@ -62,6 +62,7 @@ properties:
       - qcom,pm8350c-rpmh-regulators
       - qcom,pm8998-rpmh-regulators
       - qcom,pmi8998-rpmh-regulators
+      - qcom,pmm8155au-rpmh-regulators
       - qcom,pmr735a-rpmh-regulators
       - qcom,pmx55-rpmh-regulators