msm: smd: add support for word access channels in ssr

Add support for properly parsing word aligned access channels in the
subsystem restart functionality.  This allows apps to properly reset
channels between a crashed subsystem and another subsystem which requires
word aligned accesses.

CRs-Fixed: 398445
Change-Id: Ib199643972725600dd706193f00f5f58a5695250
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>