Rename VB2_SD_DEV_MODE_ENABLED to VB2_SD_FLAG_DEV_MODE_ENABLED.
See CL in CQ-DEPEND for details.
BUG=b:124141368
TEST=Build locally
CQ-DEPEND=CL:1460644
BRANCH=none
Change-Id: I298cd3a5026055e439de1ce409e61f1feb24369b
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31297
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>