Prepare USB VID/PID

[edy555]

Currently use pid of ChibiOS USB CDC and should replace it with unique one.

There are some candidates.

• pid.codes http://pid.codes/ (0x1209, ?) requires project is under a FOSS license.
• https://f055.io/ (0xf055, ?) requires project is under a FOSS license.
• STmicro might had provided pid sublicense service. see https://www.mikrocontroller.net/topic/285649

[Red-Owl]

please read the page http://wiki.openmoko.org/wiki/USB_Product_IDs opensource usb assign