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

Documentation/devicetree/bindings/usb/generic-ohci.yaml

@@ -148,7 +148,7 @@ allOf:
       properties:
         transceiver: false
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |