adding the meta-selftest layer is a small bump you always encounter
when you want to run selftest. Adding an automatic procedure to include
the layer if it is not yet present.
(From OE-Core rev: b5000dd7b1d74d5dfede869ffa75ed87f5a8553c)
Signed-off-by: Benjamin Esquivel <benjamin.esquivel@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>