Origin for each line in hotplugd.service.mk from check-in 4d5a9b2632:

4d5a9b2632 2022-05-30        arcade: DAEMON_hotplugd_COMMAND?=/usr/sbin/hotplugd
4d5a9b2632 2022-05-30        arcade: 
4d5a9b2632 2022-05-30        arcade: hotplugd: ${_SERVICE} syslogd udevd