When extending an existing adapter driver, developer has to
carefully avoid to break backward compatibility.
But not all developers have access to many adapters for testing.
Prepare a folder aimed at containing 'lsusb -v' dumps of adapters
to be used as reference.
Add documentation and a simple dump script.
Change-Id: Ia3a9132d65ec8869734721f9605cebcebcf33608
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7296
Tested-by: jenkins