mainboard: New port Packard Bell LM85.

Change-Id: I8c1548470c605d06825fe35579879e806bf33542
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5271
Reviewed-by: Aaron Durbin <adurbin@google.com>
Tested-by: build bot (Jenkins)