Add a test that builds a SDK with specific packages in the host and
target sections, and verifies that they're listed in the manifest.
(From OE-Core rev: a1556c801feb56b79243ba2947b74b84f674072b)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
