msm: ocmem: Enable interaction with secure processor (TZ)

OCMEM memory is not shared among EEs and each allocation is
allowed exclusive access only by the corresponding master.
Add the required infrastructure to achieve this security
by interacting with Trustzone APIs.

Change-Id: I72d1c6e5aa051f48d0aed94164e95a9d5f41bd76
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>
5 files changed