msm8610: defconfig: Turn on per process pagetable feature of graphics

Turn on per process pagetable feature of graphics for 8610 that
creates a separate graphics pagetable for every process using
the graphics core. This allows better security and separation of
address space of different processes.

Change-Id: Idbe9ddd8793372eff956a5ee8e3a6da15f611e50
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>