target/microblaze: Handle DISAS_EXIT_NEXT in delay slot

It is legal to put an mts instruction into a delay slot.
We should continue to return to the main loop in that
case so that we recognize any pending interrupts.

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
1 file changed