scsi: qla2xxx: Restore initiator in dual mode

[ Upstream commit 5f857903 ]

In dual mode in case of disabling the target, the whole port goes offline
and initiator is turned off too.

Fix restoring initiator mode after disabling target in dual mode.

Link: https://lore.kernel.org/r/20210915153239.8035-1-d.bogdanov@yadro.com
Fixes: 0645cb83

 ("scsi: qla2xxx: Add mode control for each physical port")
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>