dt-bindings: regulator: Add compatible for pmg1110

Add compatible string for pmg1110 pmic.
Signed-off-by: Satya Priya <quic_c_skakit@quicinc.com>
Link: https://lore.kernel.org/r/1637668167-31325-2-git-send-email-quic_c_skakit@quicinc.comSigned-off-by: Mark Brown <broonie@kernel.org>

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

@@ -63,6 +63,7 @@ properties:
       - qcom,pm8350-rpmh-regulators
       - qcom,pm8350c-rpmh-regulators
       - qcom,pm8998-rpmh-regulators
+      - qcom,pmg1110-rpmh-regulators
       - qcom,pmi8998-rpmh-regulators
       - qcom,pmm8155au-rpmh-regulators
       - qcom,pmr735a-rpmh-regulators