msm: kgsl: Allow memory lists along with command submission

Allow users to send in a list of all memory that is used
in the command submission. Store the memory list in the
command batch so we can do smart things with it.

CRs-fixed: 628262
Change-Id: Id81dcf25ffacf2848eee37c73699683ace48dbf9
Signed-off-by: Carter Cooper <ccooper@codeaurora.org>