cnic: Unify kcq allocation for all devices.

By creating a common data stucture kcq_info for all devices, the kcq
(kernel completion queue) for all devices can be allocated by common
code.

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