[SCSI] qla2xxx: Fix ISP restart bug in multiq code

After restarting ISP the additional queues are not being setup correctly. The
following patch fixes the issue.
Please apply.

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>