dfu-util: 0.8, use debian mirror

Upstream site has disappeared.  Development has moved to new site, but
no releases yet.  Using debian mirror of latest version in interim.

Fixes #34047.
Closes #34050.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
dfu-util: add 0.8 bottle.
dfu-util: add head

Closes #34100.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libmp3splt 0.9.2

Closes #34107.
Closes #34108.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libmp3splt: update 0.9.2 bottle.
mp3splt 2.6.2

Version bump.
mp3splt: add 2.6.2 bottle.