Ironically, busybox ptests don't all work without coreutils being present. This
dependency fixes execution in minimal images but the failing start-stop-daemon
test case should probably be investigated in due course and the dependency
removed when possible.
(From OE-Core rev: 658c5ed34e279983b1827abfe4e439524b72d4a9)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>