This is the absolute bare minimum for testing the RT patches, but it
does mean we if we build and boot a RT kernel we can verify that it is
what we expect.
(From OE-Core rev: 0301d5845115d09299f87683b3efa46f3b4c7be9)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
