drm/msm/sde: update kickoff_cnt before ESD status check

kickoff_cnt atomic variable is used to check if a commit is
already kicked off and driver is waiting for tx_done. This
variable should be reset in case of pingpong done timeout
before checking the ESD failure to avoid recursive
timeouts.

Change-Id: I7f9062644cc3e926bba81442c98532de601ab6a0
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>