BACKPORT: UPSTREAM: regulator: qcom: Add PMS405 regulators

The PMS405 provdies 5 SMPS regulators and 13 LDOs, add these to the RPM
regulator driver.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit f589d95b
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

)
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>