dt-bindings: usb: allow evaluated properties in OHCI controllers

This binding uses usb-hcd.yaml so replace additionalProperties with
unevaluatedProperties to allow generic USB HCD properties. It's how EHCI
and XHCI bindings work too.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230228152105.25358-1-zajec5@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>