d/openipmi.init: fix various issues identified upstream (LP: #1844448)
Debians and upstreams init file diverged a long time ago, so it is hard
to fully unify them. But we can follow upstreams changes and apply it
to d/openipmi.init.
commit subject
01f9953a Check for /dev/udevadm when deciding if udev is used
d7ac7a37 Change == to = in configure.ac and ipmi.init
398547c4 Remove syslog from the init script requirements
e4321774 Commit fixes for problems with the initscript.
17714d53 Fix the init script to not start the watchdog if another watchdog
is already loaded.
Signed-off-by: Christian Ehrhardt <email address hidden>