dt-bindings: usb: snps,dwc3: support i.MX8MQ

i.MX8MQ use Synopsys DesignWare USB3 Controller IP, so add the
compatible.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230203014526.1461386-1-peng.fan@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/usb/snps,dwc3.yaml

@@ -30,11 +30,13 @@ allOf:
 
 properties:
   compatible:
-    contains:
+    oneOf:
-      oneOf:
+      - items:
-        - const: snps,dwc3
+          - const: fsl,imx8mq-dwc3
-        - const: synopsys,dwc3
+          - const: snps,dwc3
-          deprecated: true
+      - const: snps,dwc3
+      - const: synopsys,dwc3
+        deprecated: true
 
   reg:
     maxItems: 1