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.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>