Even though upstream hasn't tagged new versions for a long while,
we should not report a bogus tag as something that can be updated to.
(From OE-Core rev: e16e4892368ec2475853d69332f3732dbf7b06cd)
(From OE-Core rev: c4b71ff17f630d5289a8105ec9465ff29ecd0e6c)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>