Doing this removes the dependence of this driver on the
msm_iomap.h and cpu.h mach include headers provied by MSM. This
is necessary to support single zImage work in the future and
allows us to remove cpu.h entirely and brings us closer to
removing msm_iomap.h.

Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Tested-by: NRohit Vaswani <rvaswani@codeaurora.org>
Acked-by: NRohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>
Signed-off-by: NDavid Brown <davidb@codeaurora.org>