meta-selftest: add error recipe and error-image
* The error recipe throws an error during compile
* The error-image includes the error recipe
* Initial target is toaster selenium testing
Signed-off-by: brian avery <avery.brian@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>