We should check the result of updating opkg rather than echo_info.
So we should call check_result function after updating opkg.
(From OE-Core rev: d55df5c6a707a3cf5e8d95896b1e43193482d95f)
Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>