*) packagegroup class sets a default value for LICENSE
*) usually packagegroups don't contain a LICENSE
and if they do it's many times a copy/paste and doesn't
reflect the license of the packages included in the
packagegroup
(From OE-Core rev: c04ae17f439ffd5fd70d8564430a94582e2cf688)
Signed-off-by: Robert Berger <robert.berger@ReliableEmbeddedSystems.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>