The Weston nested instance support is not implemented. This errors out
displaying an informative error message so someone insterested on it
may look at implement this later.
(From OE-Core rev: 2332f93ae88ca4e4a5aac1806f21104b6489b3bb)
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>