Previously some dependencies couldn't be followed through their siginfo
files. This has been fixed, add a test to ensure this doesn't regress.
(From OE-Core rev: a59cd1502ff14c5d8ccb04385bf4a3ad338d998d)
Signed-off-by: Yang Xu <yang.xu@mediatek.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
