Hardware Database Files
-- snipping unnecessary documentation details for this answer ---
The content of all hwdb files is read by
systemd-hwdb(8) and compiled
to a binary database located at
/etc/udev/hwdb.bin, or alternatively
/usr/lib/udev/hwdb.bin if you want ship the compiled database in an
immutable image. During runtime, only the binary database is used.
systemd-hwdb [options] update
Update the binary database.
You don't need to put this file in any
/etc/ version control, as long as you figure out when your specific distro runs
systemd-hwdb. Search for any
systemd units that could be generating this file at boot or at specific runtime trigger/action.
And, it's up to the distribution to choose if it will store this binary at
/usr/lib/udev under the name