usb: ulpi: remove calls to old api callbacks

Now that all users use the new api callbacks, remove the old api
callbacks and force new interface drivers to use the new api.

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Tal Shorer <tal.shorer@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>