We need to make sure that our fixed vapigen.m4 is used instead.
(From OE-Core rev: 3086dbaabaa5eccd05e091bed9ff0bdf707113fa)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>