PSP lost connection when err_event_athub occurs. These cleanup work can be
skipped in BACO reset.

v2: squash in missing include (Alex)
Signed-off-by: NLe Ma <le.ma@amd.com>
Reviewed-by: NHawking Zhang <hawking.zhang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>