msm: kgsl: Update VBIF settings to workaround HUM VBIF HW bug

Fix VBIF configurations with an integrated MMU with hit-under-miss.
This fixes GPU hangs caused due to VBIF deadlocks.

Change-Id: Iaaa9cc02e90ae69efce35f04130d22ab9310629e
Signed-off-by: Lokesh Batra <lbatra@codeaurora.org>