This patch intended to integrate the LTTng UST 2.0 package, which
contains the userspace tracer library to trace userspace codes.
(From OE-Core rev: 4ed09cb80196c7a3f691c8b9304df7c1fe4a8be5)
Signed-off-by: Zumeng Chen <zumeng.chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Zumeng Chen