dt-bindings: usb: usbmisc-imx: add fsl,imx8ulp-usbmisc compatible

Add "fsl,imx8ulp-usbmisc" compatible.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/usb/fsl,usbmisc.yaml

@@ -33,6 +33,7 @@ properties:
               - fsl,imx7ulp-usbmisc
               - fsl,imx8mm-usbmisc
               - fsl,imx8mn-usbmisc
+              - fsl,imx8ulp-usbmisc
           - const: fsl,imx7d-usbmisc
           - const: fsl,imx6q-usbmisc
       - items: