Add PID for Enilinx Flexbar-CDC

[icyqwq]

1. Flexbar-CDC is a versatile touch bar powered by the ESP32-S3, designed to provide functionality similar to the Apple Touch Bar.
2. ESP32-S3
3. We need a new PID to distinguish between devices using the USB-HID protocol and those using the USB-CDC protocol.
4. ENIAC (HK) Technology Ltd. 深圳市本栖电子科技有限公司
5. https://eniacelec.com/
   https://www.kickstarter.com/projects/1735591421/flexbar-a-versatile-and-fully-customizable-touch-bar-solution

[Spritetm]

Sure, merged!