nvme: fix the name of Zone Append for verbose logging

No Management involved in Zone Appened.

Fixes: bd83fe6f

 ("nvme: add verbose error logging")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alan Adamson <alan.adamson@oracle.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>