Define PV in order to avoid package version being plain "git". Use the
version number found from configure.ac plus the git revision.
(From OE-Core rev: 9d4734412c45ef80195707900b1dfdf843f43228)
Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>