Have perf grab and use the kernel version it's built from for PKGV,
rather than the default perf recipe version, so the final packages get
the kernel version instead of the default 1.0, which represents a
backwards value from the previous recipe.
(From OE-Core rev: deb99cefe8be7fa63972edadf69f92d361b9a7c5)
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>