depthcharge: set VBSD based on "write protect" flag

Set VBSD_BOOT_FIRMWARE_WP_ENABLED flag based on value of
"write protect" flag.

After merging this CL, we no longer need to set this flag
in coreboot.

BUG=b:124141368, b:124192753, chromium:950273
TEST=Build locally
CQ-DEPEND=CL:1564525
BRANCH=none

Change-Id: Ib7c076c53d95965b987aacb93ef53f8619af4bea
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1556855
Commit-Ready: Joel Kitching <kitching@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Joel Kitching <kitching@chromium.org>
1 file changed