All patches have been upstreamed so drop them, and as upstream isn't heavily
developed drop the git recipe.
(From OE-Core rev: 3465570601480d2e476e82b8b7254e94f87d2682)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>