regulator: qcom-rpmh: Add support for PM8450 regulators

Add the rpmh regulators found in PM8450 PMIC

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20211201072515.3968843-3-vkoul@kernel.org


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