Kernel panic when log_verbose is set to 0xffffffff

phba->pport is dereferenced before it is initialized

Fix: Do not dereference phba->pport if it is NULL
Signed-off-by: NDick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: NJames Smart <james.smart@broadcom.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>