msm: Remove files no longer buildable under arch/arm/mach-msm

Removed the files to reduce efforts as we move driver code out of mach-msm

Change-Id: Ic926ede69a7f4bb6ed0fbdffa7d551892886936a
Signed-off-by: Mohammad Johny Shaik <mjshai@codeaurora.org>
qdsp6v2: fixup headers (qdsp5v2 doesn't exist anymore)

Change-Id: I1e1064cd6b33f71c5dc523f0f6871ea4da015a1c