This addresses some of the concerns about the previous opkg changes
allowing it to break out of circular dependency loops with just a notice
in the logs rather than effectively going OOM.
(From OE-Core rev: 5a2b67b8faad3dd5417ba89d8e82ca564753ccc9)
(From OE-Core rev: 29f77f865434cc956e6bbccaee81ff458492ec46)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>