scsi: fc: Update formal FPIN descriptor definitions
Add Fabric Performance Impact Notification (FPIN) descriptor definitions
for the following FPINs:
- Delivery Notification Descriptor
- Peer Congestion Notification Descriptor
- Congestion Notification Descriptor
Link: https://lore.kernel.org/r/20201021092715.22669-2-njavali@marvell.com
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>