Attempt to disable SMM write protection when it's enabled.

BUG=chrome-os-partner:6166
TEST=use flashrom to flash an image on coreboot/stumpy/lumpy and see it
     succeed.

Change-Id: I3ec57ac788dc651092e45ca38f9573e546359dae
Reviewed-on: http://gerrit.chromium.org/gerrit/9948
Tested-by: Stefan Reinauer <reinauer@google.com>
Commit-Ready: Stefan Reinauer <reinauer@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
1 file changed