When setting port traddr to INADDR_ANY, the listening cm_id->device
is NULL. The associate IB device is known only when a connect request
event arrives, so checking T10-PI device capability should be done
at this stage.

Fixes: b09160c3 ("nvmet-rdma: add metadata/T10-PI support")
Signed-off-by: NIsrael Rukshin <israelr@nvidia.com>
Reviewed-by: NSagi Grimberg <sagi@grimberg.me>
Reviewed-by: NMax Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>