regulator: qcom-rpmh: Add pmc8180 and pmc8180c

Add RPMH regulator compatibles for two of the PMIC variants used on the
SC8180x platform.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210120224901.1611232-1-bjorn.andersson@linaro.org


Signed-off-by: Mark Brown <broonie@kernel.org>