msm: Remove msm specific implementation of io_remap_pfn_range.

The msm specific implementation of io_remap_pfn_range is no
longer applicable to current generation of msm targets.

Remove the implementation to avoid any potential remapping
to a wrong memory type.

Change-Id: I5cd5e0459c594e240f138dcdb37aef7c4698bea1
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>
3 files changed