cnic: Add FCoE support on 57712

- Connection ID (cid) management
- Slow-path command and response support
- Update version to 2.2.11.

Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/cnic.c
Simple merge

diff --cc drivers/net/cnic.h
Simple merge

diff --cc drivers/net/cnic_defs.h
Simple merge

diff --cc drivers/net/cnic_if.h
Simple merge