Remove backported patches, rebase the rest.
Switch to using (mostly) standard autotools build.
(From OE-Core rev: 4d13e2713efd5f6cbdc6cf1f86edd0b336ba3ba2)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>