powerpc/ppc64: add run script and unittests.cfg

Now that we have all the pieces, pull them together into a
run script (adapted from arm's). To run a test do './powerpc-run
powerpc/test.elf'. To run all tests in unittests.cfg do
'./run_tests.sh'

(We can now run simple unit tests, but they don't quit on their
 own yet. Use ^C to quit them.)

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
2 files changed