add some platforms

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@21402 52c4871e-980c-0410-b1e0-e73912ce01f8
chili: use 2nd dns if available

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@21403 52c4871e-980c-0410-b1e0-e73912ce01f8