hw/nvme: remove NvmeCtrl parameter from ns setup/check functions

The nvme_ns_setup and nvme_ns_check_constraints should not depend on the
controller state. Refactor and remove it.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>

hw/nvme/ctrl.c

@@ -6498,7 +6498,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp)
         ns = &n->namespace;
         ns->params.nsid = 1;
 
-        if (nvme_ns_setup(n, ns, errp)) {
+        if (nvme_ns_setup(ns, errp)) {
             return;
         }