r8169: add new helper rtl8168g_enable_gphy_10m

Factor out setting GPHY 10M to new helper rtl8168g_enable_gphy_10m.

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