msm: pil: Remove dependence on iomap.h

Most pil drivers need to access clock control directly so that
they can write a reset register. Instead of having those drivers
use the iomap pointer from mach/iomap.h, move them to mapping
clock control as an io resource.

Change-Id: I964ce90d431cce12dd5b6fe96177a5b4156db235
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>