regulator: qcom,rpmh: Add compatible for PM8450

Add compatible string for PM8450 used in SM8450 boards.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20211201072515.3968843-2-vkoul@kernel.orgSigned-off-by: Mark Brown <broonie@kernel.org>

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

@@ -43,6 +43,7 @@ description: |
       For PM8150L, smps1 - smps8, ldo1 - ldo11, bob, flash, rgb
       For PM8350, smps1 - smps12, ldo1 - ldo10
       For PM8350C, smps1 - smps10, ldo1 - ldo13, bob
+      For PM8450, smps1 - smps6, ldo1 - ldo4
       For PM8998, smps1 - smps13, ldo1 - ldo28, lvs1 - lvs2
       For PMI8998, bob
       For PMR735A, smps1 - smps3, ldo1 - ldo7
@@ -62,6 +63,7 @@ properties:
       - qcom,pm8150l-rpmh-regulators
       - qcom,pm8350-rpmh-regulators
       - qcom,pm8350c-rpmh-regulators
+      - qcom,pm8450-rpmh-regulators
       - qcom,pm8998-rpmh-regulators
       - qcom,pmg1110-rpmh-regulators
       - qcom,pmi8998-rpmh-regulators