[patch] update config.sub

[DJ Delorie]

Committed under the "brought in via a merge" rule.

2011-11-01  DJ Delorie  <d...@redhat.com>

        * config.sub: Update to version 2011-10-29 (added rl78)

Imports this change:

2011-10-29  DJ Delorie  <d...@redhat.com>

        * config.sub (rl78): New.