The xattr DISTRO_FEATURE is required otherwise a bitbake build will fail due
to a failure with the 'cp' utility:
Subprocess output:
cp: cannot preserve extended attributes, cp is built without xattr support
ERROR: Logfile of failure stored in: /home/builder/poky/build/tmp/work/qemux86_64-poky-linux/packagegroup-base/1.0-r83/temp/log.do_populate_lic.1001
ERROR: Task (/home/builder/poky/meta/recipes-core/packagegroups/packagegroup-base.bb:do_populate_lic) failed with exit code '1'
(From OE-Core rev: 7e1b2598fedfdc7c9a79c5c94273218f2eedcba9)
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>