nvme-pci: disable namespace identifiers for the MAXIO MAP1002/1202

The MAXIO MAP1002/1202 controllers reports completely bogus Namespace
identifiers that even change after suspend cycles.  Disable using
the Identifiers entirely.

Reported-by: 金韬 <me@kingtous.cn>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Tested-by: 金韬 <me@kingtous.cn>