Add linux site info for the MicroBlaze architecture. This is based on
the site info from meta-xilinx and additional options based on config
options that other *-linux architecture site info files define.
(From OE-Core rev: def626a46efdeeaf867a27464aed463d265d777c)
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
