Checks should only be done for NPIV-capable ISPs.  Original code
could result in PORT_UPDATEs being missed on non-NPIV-capable
ISPs.
Signed-off-by: NAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: NGiridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>