Merge branch 'altera_tse'

Walter Lozano says:

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Altera TSE with no PHY

In some scenarios there is no PHY chip present, for example in optical links.
This serie of patches moves PHY get addr and MDIO create to a new function and
avoids PHY and MDIO probing in these cases.
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Signed-off-by: David S. Miller <davem@davemloft.net>