Convert _findLayerConf(self) to _findConfigFile(self, configfile) so that
the core functionality of the method can be used elsewhere.
(Bitbake rev: c515b76c3a27d57d5ae8dddf15cc836811b24ee1)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>