With python3-config using the 'python-config' name, it's possible for
python-config to point at python3-config, which is obviously wrong.
(From OE-Core rev: 80a4a44d4d9da1cacda5f50ea955017502829c6d)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>