net: stmmac: set phy to use polling by default
net: stmmac: set phy to use polling by default

mii_irq[] array is never initialized anywhere in the driver, thus mii_irq[]
will always equate to zero. So, for the case where the PHY does not have an
irq, we should use PHY_POLL for that situation.

Signed-off-by: Dinh Nguyen <a48724738fc762a7f206428dfcaf7ede2fd84d0f@altera.com>
Tested-by: Vince Bridgers <d988504e8ea49c4485ee69f4405914cf76abb6b3@altera.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs