scsi: qla2xxx: Fix Rport and session state getting out of sync

This patch fixes rport state and session state getting out of sync.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>