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 <quic_lvaz@quicinc.com>
(cherry picked from commit 4142d3c891dd4c78ed61dd8a72676cb558d413f9)