net/at91_ether: use stat function from macb

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ethernet/cadence/at91_ether.c
Simple merge

diff --cc drivers/net/ethernet/cadence/macb.c
Simple merge

diff --cc drivers/net/ethernet/cadence/macb.h
Simple merge