Amenia: Change flash image size to 16MB

Update fmap.dts file for 16MB flash image size
Change fmap.dts based on flash layout changes in chromeos.fmd
Increase BIOS region size

BUG=chrome-os-partner:51844
TEST=Boot to chrome

Change-Id: I085f5eaaafe6c84954c9e86df631204b4e5dc86f
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/366831
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
3 files changed