Change-Id: Ia1d6ef4e4a5c9929aefd149c4e3eaf2dfe37fea8
uses the USB CDC ACM example code as template to create a USB DFU description according to USB DFU specification version 1.1 USB DFU stack is under LGPLv2.1 or later license Change-Id: I7bd6cb46b734ffe8a51f2de7083b4f9e76d385e6