lpfc: Fix race on command completion (bnc#906027).

suse-commit: eaf78b12cae47dc4398a96d7ec8090a3b285a66f
scsi: call device handler for failed TUR command (bnc#895814).

suse-commit: 5aafe301a6beb9fa62e376f709f1fce2dd7e955d