dt-bindings: phy: mxs-usb-phy: add nxp,sim property

i.MX7ULP need properly set System Integration Module(SIM) module to make
usb wakeup work well. This will add a "nxp,sim" property.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20240903075810.1196928-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/phy/fsl,mxs-usbphy.yaml

@@ -87,6 +87,12 @@ properties:
     maximum: 119
     default: 100
 
+  nxp,sim:
+    description:
+      The system integration module (SIM) provides system control and chip
+      configuration registers.
+    $ref: /schemas/types.yaml#/definitions/phandle
+
 required:
   - compatible
   - reg
@@ -110,6 +116,17 @@ allOf:
       required:
         - fsl,anatop
 
+  - if:
+      properties:
+        compatible:
+          const: fsl,imx7ulp-usbphy
+    then:
+      required:
+        - nxp,sim
+    else:
+      properties:
+        nxp,sim: false
+
 additionalProperties: false
 
 examples: