Firmware for HydraBus and HydraNFC.
The .dfu files can be applied using the dfu-tool binary in fwupd, or the
generated .cab files can be installed using gnome-software or fwupdmgr.
See https://github.com/bvernoux/hydrafw/wiki/Getting-Started-with-HydraBus-flash-and-use-hydrafw-on-linux for more details.
These files are distributed with permission of Benjamin Vernoux and additional metadata files for the LVFS are copyright Richard Hughes.