dt-bindings: regulator: qcom,smd-rpm-regulator: Document PM8937 IC

Document the pm8937 compatible string and available regulators in
the QCOM SMD RPM regulator documentation.
Signed-off-by: Dang Huynh <danct12@riseup.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231106-pm8937-v1-6-ec51d9eeec53@riseup.netSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml

@@ -47,6 +47,9 @@ description:
   For pm8916, s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
   l12, l13, l14, l15, l16, l17, l18
 
+  For pm8937, s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10,
+  l11, l12, l13, l14, l15, l16, l17, l18, l19, l20, l21, l22, l23
+
   For pm8941, s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
   l12, l13, l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2,
   lvs3, 5vs1, 5vs2
@@ -92,6 +95,7 @@ properties:
       - qcom,rpm-pm8841-regulators
       - qcom,rpm-pm8909-regulators
       - qcom,rpm-pm8916-regulators
+      - qcom,rpm-pm8937-regulators
       - qcom,rpm-pm8941-regulators
       - qcom,rpm-pm8950-regulators
       - qcom,rpm-pm8953-regulators