usb-gadget: remove usb-gadget and add configuration file
-rw-r--r-- 509 AUTHORS
-rw-r--r-- 907 CMakeLists.txt
-rw-r--r-- 11560 LICENSE
-rw-r--r-- 11431 LICENSE.APLv2
-rw-r--r-- 233 NOTICE
drwxr-xr-x - conf
drwxr-xr-x - debian
drwxr-xr-x - hw
drwxr-xr-x - packaging