Documentation: networking: phy.txt: MDIO bus reset is optional
Documentation: networking: phy.txt: MDIO bus reset is optional

Update the MDIO bus documentation to mention that the MDIO bus reset
function is completely optional. It became optional with commit
e13934563db0 ("[PATCH] PHY Layer fixup")

Signed-off-by: Florian Fainelli <59190c1867e3222b932a0de3c668eb2d980d69a2@gmail.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

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