msm: kgsl: Pin a process in memory while creating a bind object

Bind operations require the referenced mem_entry objects to be currently
pinned in memory. To ensure this, reclaim the process to pinned state to
bring all its mem_entry objects into memory when creating the bind object.

Change-Id: I5b46891004d42bed6a0e3a0c66bcdcd25ad52321
Signed-off-by: Lynus Vaz <[email protected]>
Signed-off-by: Sanjay Yadav <[email protected]>
(cherry picked from commit 1fed73f6)