net: bna: convert to hw_features

Note: looks like bnad->conf_mutex is duplicating rtnl_lock.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/bna/bnad.c
Simple merge

diff --cc drivers/net/bna/bnad.h
Simple merge

diff --cc drivers/net/bna/bnad_ethtool.c
Simple merge