msm: kgsl: Increase GPU fault detection threshold value

The current value is leading to spurious fault interrupts
from the GPU. Increase the threshold so that hardware
fault detection won't be triggered as quickly.

CRs-Fixed: 1105559
Change-Id: I88cf7efc553f6bcb1026b7e86d4600490b36e332
Signed-off-by: Archana Sriram <apsrir@codeaurora.org>
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
Signed-off-by: mydongistiny <jaysonedson@gmail.com>
Signed-off-by: Joe Maples <joe@frap129.org>