scsi: fc: add FPIN ELS definition

T11 has introduced a new Fabric Notifications mechanism whereby the fabric
can notify a port of events occurring in the fabric.  The notifications are
given by the FPIN ELS.

Add the FPIN ELS definitions to the kernel.

Signed-off-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>