[YOCTO #13802]
Make the scp failure non-fatal so the ltp tests continue to run and
the rest of the logs will be available to see afterwards.
(From OE-Core rev: 0f7d093038274f4f21f6cca39a96aac4f6c32ee3)
Signed-off-by: Mingde (Matthew) Zeng <matthew.zeng@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>