Origin for each line in devd.service from check-in 716b0393df:

bf6ae1479b 2019-10-20        arcade: # vim:ft=make:
bf6ae1479b 2019-10-20        arcade: 
47c6cc1171 2019-10-20        arcade: DAEMON_devd_COMMAND?=/sbin/devd
716b0393df 2019-10-21        arcade: DAEMON_devd_ENABLE?=yes
bf6ae1479b 2019-10-20        arcade: DAEMON_devd_FLAGS?=-dq
bf6ae1479b 2019-10-20        arcade: 
716b0393df 2019-10-21        arcade: devd: _service
716b0393df 2019-10-21        arcade: .export DAEMON_$@_ENABLE
716b0393df 2019-10-21        arcade: 	test -z "$${DAEMON_$@_ENABLE}" || sysctl hw.bus.devctl_disable=1