Flock is required by by pm-utils package to function properly
(/usr/lib/pm-utils/functions). It's shipped in both busybox and
util-linux. Both versions work fine with pm-utils. Enabling it
in busybox seems like simpliest solution for the problem.
(From OE-Core rev: a8ba002b5eb3c2e57550483d7b3ea99f0cc8a9cb)
Signed-off-by: Peter Tworek <tworaz666@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>