Rob suggested I should use of_machine_is_compatible insteak of a new
property and updated patch has been sent.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
The main difference is it supports DT binding. This allows us to use DT
for specifying controller and the new standalone USB 3.0 PHY driver.
Thanks to that we don't need out of tree patch adding PHY initialization
to the controller driver anymore.