This is used in a number of Logitech headsets to report the voltage
of the battery.

Tested on a Logitech G935.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216483
Link: https://lore.kernel.org/r/20230302105555.51417-2-hadess@hadess.netSigned-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>