pinctrl: qcom: Introduce SM6115 LPI pinctrl driver

Add support for the pin controller block on SM6115's Low Power Island.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230722-topic-6115_lpasstlmm-v2-2-d4883831a858@linaro.org


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>