Mahesh Bandewar noticed that the features cleanup in commit
0da0606f, entitled
"tg3: Consolidate all netdev feature assignments", mistakenly sets
NETIF_F_LOOPBACK by default.  This patch corrects the error.
Signed-off-by: NMatt Carlson <mcarlson@broadcom.com>
Signed-off-by: NMahesh Bandewar <maheshb@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>