gpu reset will run late_init and schedule the late_init_work.  if we
keep triggering gpu reset in a short time, there are potenial races.
Signed-off-by: Nxinhui pan <xinhui.pan@amd.com>
Reviewed-by: NFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>