ARM: dts: qcom: align PMIC GPIO pin configuration with DT schema

DT schema expects PMIC GPIO pin configuration nodes to be named with
'-state' suffix.  Optional children should be either 'pinconf' or
followed with '-pins' suffix.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220507194913.261121-10-krzysztof.kozlowski@linaro.org