target/microblaze: Define TCG_GUEST_DEFAULT_MO

The microblaze architecture does not reorder instructions.
While there is an MBAR wait-for-data-access instruction,
this concerns synchronizing with DMA.

This should have been defined when enabling MTTCG.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar@zeroasic.com>
Fixes: d449561b130 ("configure: microblaze: Enable mttcg")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
1 file changed