scsi: qla2xxx: Set remote port devloss timeout to 0

This patch sets remote_port_devloss value to 0. This indicates to FC-NVMe
transport that driver is unloading and transport should not retry.

Fixes: e476fe8a

 ("scsi: qla2xxx: Fix unload when NVMe devices are configured")
Cc: stable@vger.kernel.org
Signed-off-by: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>