pinctrl: qcom: spmi-gpio: Add pmc8180 & pmc8180c

The SC8180x platform comes with PMC8180 and PMC8180c, add support for
the GPIO controller in these PMICs.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210629003851.1787673-1-bjorn.andersson@linaro.org


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