UPSTREAM: dt-bindings: pinctrl: qcom-pmic-gpio: Add pms405 support

Add support for the PMS405 GPIO support to the Qualcomm PMIC GPIO
binding.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit ed80f6eb)
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>