update init for these arm units

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@22658 52c4871e-980c-0410-b1e0-e73912ce01f8
update oem flashing support to these models

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@22659 52c4871e-980c-0410-b1e0-e73912ce01f8
found one more

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@22660 52c4871e-980c-0410-b1e0-e73912ce01f8