vboot_reference/futility: set layout when using region

Possible fix for flashrom trying to write whole flash.

BUG=b:207359246
BRANCH=none
TEST=builds

Signed-off-by: Nikolai Artemiev <nartemiev@google.com>
Change-Id: I69f40a46d3004a2cb4c675ff79854287f7f50766
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3295638
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Commit-Queue: Edward O'Callaghan <quasisec@chromium.org>
Tested-by: Edward O'Callaghan <quasisec@chromium.org>
1 file changed