Although the document says otherwise, some ich7m uses map 01b.  This
patch adds separate map DB for ICH7M and adds map entry for 01b.

This was spotted on an ASUS laptop by Jonathan Dieter.
Signed-off-by: NTejun Heo <htejun@gmail.com>
Cc: Jonathan Dieter <jdieter@gmail.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>