NVMe: Decrement online queue count on suspend

Fixes cpu-to-queue assignment on suspend/resume or CSTS.CFS handling when more cpus than queues exist.

---
I've a branch where this has been there since the beginning... lost it from merging by hand.

  drivers/block/nvme-core.c |    1 +
  1 file changed, 1 insertion(+)

index 625259d..ce5a4f1 100644
@@ -1158,6 +1158,7 @@ static int nvme_suspend_queue(struct nvme_queue *nvmeq)
  		return 1;
  	}
  	nvmeq->q_suspended = 1;
+	nvmeq->dev->online_queues--;
  	spin_unlock_irq(&nvmeq->q_lock);
 
  	irq_set_affinity_hint(vector, NULL);

1.7.10.4