dt-bindings: usb: microchip,usb2514: Fix reference USB device schema

An USB hub is not a HCD, but an USB device. Fix the referenced schema
accordingly.

Fixes: bfbf2e4b77 ("dt-bindings: usb: Document the Microchip USB2514 hub")
Cc: stable@vger.kernel.org
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240815113132.372542-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/usb/microchip,usb2514.yaml

@@ -10,7 +10,7 @@ maintainers:
   - Fabio Estevam <festevam@gmail.com>
 
 allOf:
-  - $ref: usb-hcd.yaml#
+  - $ref: usb-device.yaml#
 
 properties:
   compatible:
@@ -36,6 +36,13 @@ required:
   - compatible
   - reg
 
+patternProperties:
+  "^.*@[0-9a-f]{1,2}$":
+    description: The hard wired USB devices
+    type: object
+    $ref: /schemas/usb/usb-device.yaml
+    additionalProperties: true
+
 unevaluatedProperties: false
 
 examples: