Add patch implementing operations to get and set flow-control link
parameters of mtk_eth_soc via ethtool.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Now that the issue with WED has been sorted out, re-add support for
multiple PPE to the mtk_eth_soc driver.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>