dt-bindings: usb: ci-hdrc-usb2: add npcm750 and npcm845 compatible

Add a compatible string for Nuvoton BMC NPCM750 and Nuvoton BMC NPCM845.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231017195903.1665260-3-tmaimon77@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml

@@ -17,6 +17,7 @@ properties:
           - chipidea,usb2
           - fsl,imx27-usb
           - lsi,zevio-usb
+          - nuvoton,npcm750-udc
           - nvidia,tegra20-ehci
           - nvidia,tegra20-udc
           - nvidia,tegra30-ehci
@@ -67,6 +68,10 @@ properties:
       - items:
           - const: xlnx,zynq-usb-2.20a
           - const: chipidea,usb2
+      - items:
+          - enum:
+              - nuvoton,npcm845-udc
+          - const: nuvoton,npcm750-udc
 
   reg:
     minItems: 1
@@ -389,6 +394,7 @@ allOf:
             enum:
               - chipidea,usb2
               - lsi,zevio-usb
+              - nuvoton,npcm750-udc
               - nvidia,tegra20-udc
               - nvidia,tegra30-udc
               - nvidia,tegra114-udc