Add needles to handle console login with 'white on grey' colors
https://bugzilla.redhat.com/show_bug.cgi?id=1403365 has been
around approximately forever and I still haven't managed to
debug it; let's just make needles for it, as it's not really a
critical bug, the system still *works*.
Signed-off-by: Adam Williamson <firstname.lastname@example.org>