tree e324469c50d590b7bf31a76c0190da8443a76a0a
parent 46068d9bc18bcef2f272db2f90726cb5fe348878
author Andrew Geissler <geissonator@yahoo.com> 1676403014 -0600
committer Andrew Geissler <geissonator@yahoo.com> 1676663606 -0600

move systemd subscribe to util function

This code is replicated in multiple source files in this repo, put it in
the util repo so everyone can call it in one place.

Tested:
- Verified systemd signals seen and system boots

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I8bf0343c79012cc91dea033038894a011fd37ef5