Fix incorrect second argument for wait_event_timeout()

Fixes: c4a9b538 ("qla2xxx: Allow vref count to timeout on vport delete.")
Cc: <stable@vger.kernel.org>
Signed-off-by: NJoe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>