Backport the patch to fix invalid preprocessing directive errors.
nls: always use XCOMM instead of # for comments in Compose.pre files
[YOCTO #6116]
(From OE-Core rev: 9d142a7f523f89cd65bef2cd6ce75e4f4500711b)
Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>