libtraceevent: upgrade 1.8.3 -> 1.8.4
(From OE-Core rev: 02a08e52d1f8749710fbfa27fc97a5701373c414)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>