The "devtool modify" could remove message body before scissors line, so
patches re-generated from git tree were incorrectly modified.
Adding --no-scissors to "git am" invocation to prevent this behaviour.
[YOCTO #12674]
(From OE-Core rev: 13ea33fbd197b9ee3cf913d9995617115f22798f)
Signed-off-by: Tomasz Dziendzielski <tomasz.dziendzielski@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>