Merge branch 'phy-at803x-add-ar9331-support'

Oleksij Rempel says:

====================
phy: at803x: add ar9331 support

changes v3:
- use PHY_ID_MATCH_EXACT only for ATH9331 PHY

changes v2:
- use PHY_ID_MATCH_EXACT instead of leaky masking
- remove probe and struct at803x_priv
====================

Signed-off-by: David S. Miller <davem@davemloft.net>