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

Documentation/devicetree/bindings/usb/dwc2.yaml

@@ -43,7 +43,10 @@ properties:
           - const: rockchip,rk3066-usb
           - const: snps,dwc2
       - const: lantiq,arx100-usb
+      - const: lantiq,ase-usb
+      - const: lantiq,danube-usb
       - const: lantiq,xrx200-usb
+      - const: lantiq,xrx300-usb
       - items:
           - enum:
               - amlogic,meson8-usb