This will make the system alot more responsive while ping flooding the
ucc_geth ethernet interface.
Also set NAPI weight to 64 as this is a common value.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net>