wlhe/uvc-gadget: enhance uvc-gadget test application

Destiny Viator

uvc-gadget Upstream project uvc-gadget has been updated and continuous maintenance Please refer to http://git.ideasonboard.org/uvc-gadget.git UVC gadget userspace enhancement sample application Fork fromuvc-gadget.gitApply enhancement Bhupesh Sharma’s patchsetUVC gadget test application enhancementsand Robert Baldyga’s patchsetBugfixes for UVC gadget test application How to use Usage: ./uvc-gadget [options] Available options are -b Use bulk […]