It doesn't need them.
(From OE-Core rev: dc7036e8bcddb1d29739ebd4c75b150283a10ec0)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>