defconfig: msm8916: Disable per process page table

Disable per proces page table feature for 8916 bringup.
This feature will be enabled after validation of new GPU microcode,
which is needed for SMMU programming.

Change-Id: Ib4d845f6489d0050d09c22d3ef121f62b497d774
Signed-off-by: Zhong Liu <zhongl@codeaurora.org>