While building for beagleboard with -j4 I ended up failures in
generating and checking xml files. This is a backport from upstream that
fixes the issue.
(From OE-Core rev: b56d984d59b5ea682f115b8ceeb04fbffe01f13c)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>