dt-bindings: pinctrl: qcom: pmic-gpio: Document pm8226 compatible

Suggested-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Signed-off-by: Dominik Kobinski <dominikkobinski314@gmail.com>
Link: https://lore.kernel.org/r/20211125215626.62447-1-dominikkobinski314@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

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

@@ -32,6 +32,7 @@ properties:
           - qcom,pm8058-gpio
           - qcom,pm8150-gpio
           - qcom,pm8150b-gpio
+          - qcom,pm8226-gpio
           - qcom,pm8350-gpio
           - qcom,pm8350b-gpio
           - qcom,pm8350c-gpio