Driver for Dave DNET ethernet controller found on Dave/DENX QongEVB-LITE
FPGA. Heavily based on Dave sources, I've just adopted it to current
kernel version and done some code cleanup.
Signed-off-by: NIlya Yanok <yanok@emcraft.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>