regulator: qcom-rpmh: add pm660 and pm660l pmics

The SDM630 and SDM660 both use RPM (not RPMh) for managing the PM660 and
PM660L. The SDM670 uses RPMh to manage them as PMIC 4s. To support the
SDM670, add the PM660 and PM660L to the RPMh regulator driver.

Link: https://android.googlesource.com/kernel/msm/+/58064f13c0a436a82c35f2e3b5a122d874ae5846%5E%21/#F0
Link: https://android.googlesource.com/kernel/msm/+/f676d3d24f9d802bfe63369167c4a8cc162b8950%5E%21/#F3


Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220920223331.150635-3-mailingradian@gmail.com


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