Merge branch 'mtk_eth_soc-phylink'

Russell King says:

====================
net: mtk_eth_soc: phylink validate implementation updates

This series converts mtk_eth_soc to fill in the supported_interfaces
member of phylink_config, cleans up the validate() implementation, and
then converts to phylink_generic_validate().
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Signed-off-by: David S. Miller <davem@davemloft.net>