msm: ADSPRPC: Add snapshot of RPC driver

This shapshot was taken as of msm-4.4 commit
("msm: ADSPRPC: Remove obsolete IOMMU domain attribute")

Updated source to fix checkpatch warnings and compilation errors.

Change-Id: Ifb7ed525e1e00226967ed2a2bf1b0ed3765ad5a7
Signed-off-by: Sathish Ambley <sathishambley@codeaurora.org>
7 files changed