linux-imx

r8169: change argument type of counters handling functions

The counter handling functions don't deal with the net_device, so code
can be simplified by changing the argument type to
struct rtl8169_private *.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>