dt-bindings: pinctrl: qcom,pmic-gpio: add PM8937

Document the 8 GPIOs found on PM8937. It has holes on
3,4 and 6 pins.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20241031-msm8917-v2-1-8a075faa89b1@mainlining.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: barni2000

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

@@ -48,6 +48,7 @@ properties:
           - qcom,pm8916-gpio
           - qcom,pm8917-gpio
           - qcom,pm8921-gpio
+          - qcom,pm8937-gpio
           - qcom,pm8941-gpio
           - qcom,pm8950-gpio
           - qcom,pm8953-gpio
@@ -184,6 +185,7 @@ allOf:
               - qcom,pm8226-gpio
               - qcom,pm8350b-gpio
               - qcom,pm8550ve-gpio
+              - qcom,pm8937-gpio
               - qcom,pm8950-gpio
               - qcom,pm8953-gpio
               - qcom,pmi632-gpio
@@ -468,6 +470,7 @@ $defs:
                  - gpio1-gpio6 for pm8550vs
                  - gpio1-gpio38 for pm8917
                  - gpio1-gpio44 for pm8921
+                 - gpio1-gpio8 for pm8937 (hole on gpio3, gpio4 and gpio6)
                  - gpio1-gpio36 for pm8941
                  - gpio1-gpio8 for pm8950 (hole on gpio3)
                  - gpio1-gpio8 for pm8953 (hole on gpio3 and gpio6)