ARM: dts: msm: move to RPM controlled regulators for msm8992

Most of the PM8994 and PMI8994 regulators need to be controlled
by the RPM. Move all such regulators to RPM control so that their
consumer requests are reflected in hardware.

Change-Id: I1dd87616aac94a100dd5f9eed2ec77065952e4ce
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>