There are 3 separated controllers, one per USB /standard/. With PHY
drivers in place they can be simply supported with generic drivers.
Signed-off-by: NRafał Miłecki <rafal@milecki.pl>
Reviewed-by: NRay Jui <ray.jui@broadcom.com>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>