Merge branch 'Better-PHYLINK-compliance-for-SJA1105-DSA'

Vladimir Oltean says:

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Better PHYLINK compliance for SJA1105 DSA

After discussing with Russell King, it appears this driver is making a
few confusions and not performing some checks for consistent operation.

Changes in v2:
- Removed redundant print in the phylink_validate callback (in 2/3).
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Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>