vboot_reference/futility: set layout when using region
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 <ae95c3c53a91f37eed715bc8c4b874a04007f68d@google.com>
Change-Id: I69f40a46d3004a2cb4c675ff79854287f7f50766
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3295638
Reviewed-by: Edward O'Callaghan <5ed2e9bf3d98d5f12a86c198971e1dafd1bbd008@chromium.org>
Commit-Queue: Edward O'Callaghan <5ed2e9bf3d98d5f12a86c198971e1dafd1bbd008@chromium.org>
Tested-by: Edward O'Callaghan <5ed2e9bf3d98d5f12a86c198971e1dafd1bbd008@chromium.org>

coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot