msm: rpm-regulator: Add support for MSM8930 + PM8917

When using PMIC PM8917 along with MSM8930, the RPM resource map
changes from that which is used with stock MSM8930 + PM8038.  Add
support for the new resource map.

Change-Id: I4817872022f828dab055144959dfdfbd83e99e11
Signed-off-by: David Collins <collinsd@codeaurora.org>