msm: kgsl: Reduce postmortem logs by default

Full postmortem logs take 600ms to 1sec and this affects
fault tolerance time. Reduce postmortem logs and print
only necessary information. Full postmortem logs can
be enabled using debugfs.

Change-Id: I9039746bbdcf67ceebc02f21e84ab873531035a5
Signed-off-by: Tarun Karra <tkarra@codeaurora.org>
5 files changed