* It was showing whole log and that the runqemu command failed, but not
where the log file is, nor why it thinks the runqemu failed
[YOCTO #12937]
(From OE-Core rev: ad4b72e6524114a3bdee10cab71f194ea143cd24)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>