pinctrl: qcom/pinctrl-spmi-gpio: Add compatible for pmic-gpio on SA8155p-adp

pinctrl: qcom/pinctrl-spmi-gpio: Add compatible for pmic-gpio on SA8155p-adp

SA8155p-adp PMIC (PMM8155AU) exposes 10 GPIOs.

Add support for the same in the pinctrl driver.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20210629123407.82561-5-bhupesh.sharma@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>