An alternative approach with NO_GENERIC_LICENSE has been added
in license.bbclass to allow copying non-generic license,
add it for all firmware licenses.
(From OE-Core rev: f2e92c741bde70753163afe3839ff8d35ae5380e)
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>