The generic PHY framewrok expects different properties than the
old USB PHY framework. Supply those properties.

Fixes USB OTG port on beagle after the Generic PHY framework was
merged in greg/usb-next. [1]

[1] - https://lkml.org/lkml/2013/9/27/581Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>