console: rework automatic getty on kernel console logic again It is essential that the gettys are proper dependencies from getty.target so that they aren't killed and immediately restarted on runlevel changes. Hence rework the logic to implicitly add console gettys to getty.target as dependencies. This also adds an automatic hvc console for virtualizers. https://bugzilla.redhat.com/show_bug.cgi?id=501720
units: fix auto-serial unit