nvme: fix lightnvm check

nvme: fix lightnvm check

nvme_nvm_ns_supported assumes every device is a pci_dev, which leads to
reading an incorrect field, or possible even a dereference of unallocated
memory for fabrics controllers.

Fix this by introducing a quirk for lighnvm capable devices instead.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Matias Bjørling <[email protected]>
Reviewed-by: Keith Busch <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>