[binutils-gdb] sim: microblaze: start a testsuite

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT 191ec03314b005b8189ecea7296f2f6cad534d09 ***

Author: Mike Frysinger <vapier@gentoo.org>
Branch: master
Commit: 191ec03314b005b8189ecea7296f2f6cad534d09

sim: microblaze: start a testsuite
Since the sim doesn't have any debug support in it, we can only exit
cleanly.  But this is still better than nothing.

Change the default microblaze sim to not dump the debug load output
when running.  No other does this, and it breaks the testsuite.