msm: kgsl: Add hang interrupt and change HW fault generation

Add a sysfs property to dynamically control HW hang interrupt.
HW fault is generated for hang interrupt only.

Change-Id: Ib50c57476e54cccfef0ae18a0cbb42fce29457c1
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
Signed-off-by: Tarun Karra <tkarra@codeaurora.org>
6 files changed