dt-bindings: pinctrl: qcom,pmic-mpp: Document PM8937 compatible

Document the Device Tree binding for PM8937 MPPs.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20241031-msm8917-v2-3-8a075faa89b1@mainlining.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: barni2000

Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.yaml

@@ -22,6 +22,7 @@ properties:
               - qcom,pm8226-mpp
               - qcom,pm8841-mpp
               - qcom,pm8916-mpp
+              - qcom,pm8937-mpp
               - qcom,pm8941-mpp
               - qcom,pm8950-mpp
               - qcom,pmi8950-mpp
@@ -92,6 +93,7 @@ $defs:
           this subnode.  Valid pins are
                  - mpp1-mpp4 for pm8841
                  - mpp1-mpp4 for pm8916
+                 - mpp1-mpp4 for pm8937
                  - mpp1-mpp8 for pm8941
                  - mpp1-mpp4 for pm8950
                  - mpp1-mpp4 for pmi8950