Mostly cleanup of mpy_importer.mpy_parse().
python/m5/__init__.py:
Move panic() up to top in case we want to use it
in mpy_importer (though I ended up not doing that
after all).
python/m5/config.py:
Add a couple of comments and a check for expressions
like parent.any.foo (which is illegal).
--HG--
extra : convert_revision : dfc99ac9b1a2d91a736ca0b773b6d3c528a4f3cc