dt-bindings: usb: dwc2: Add some missing Lantiq variants

These IP block variants appear in various vendor trees and
are distinct variants which needs to be handled.

Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221005105555.2665485-1-linus.walleij@linaro.org


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