sim: using automake

[Tom Tromey]

>>>>> "Mike" == Mike Frysinger <vapier@gentoo.org> writes:

Mike> ive been bit by this multiple times, and it always seemed crazy to
Mike> me that we still do manual dependency management.  many of the
Mike> other sourceware projects have converted to automake and dropped
Mike> the hardcoded lists, so is there anything holding back the sim dir
Mike> other than someone doing it ?

It seems like an improvement to me.

Tom