GitLab

The aw_fel_process_spl_and_uboot() was missing a free() for the file
buffer. This patch also adds a proper libusb cleanup/shutdown.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>
Reviewed-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>