r8169: always autoneg on resume

This affects at least versions 25 and 33, so assume all cards are broken
and just renegotiate by default.

Fixes: 10bc6a60 ("r8169: fix autoneg issue on resume with RTL8168E")
Signed-off-by: Alex Xu (Hello71) <alex_y_xu@yahoo.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>