[SCSI] lpfc 8.3.7: Fix NPIV operation errors

Fix NPIV operation errors:
- Fix vport not logging out of fabric when being deleted
- Fix vport fails to discover targets after devloss timeout.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>