msm: kgsl: Log if SMMU is stalled without a pagefault

Also make sure we don't run the dispatcher endlessly if we
couldn't do recovery.

Change-Id: I76c661f764bc20eca601b39257b2d72a9aea5f6b
Signed-off-by: Harshdeep Dhatt <hdhatt@codeaurora.org>