platform: msm: Add snapshot of QPNP_REVID driver

QPNP_REVID driver provides the PMIC revision, type and subtype
of every PMIC device to the peripheral drivers on request. This
is used by peripheral drivers to configure the hardware properly.

This is taken as a snapshot from msm-4.14 kernel
'commit 9bb584ae3a9d ("msm/sde/rotator: Add rev checks for sdmmagpie")'

Change-Id: Ieee794353be062104230e3e01c3b2c3b7a3d2c16
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>