cros: Deprecate ddr_type in vboot data

BUG=none
BRANCH=none
CQ-DEPEND=CL:263982
TEST=emerge-peach_pit chromeos-u-boot still works

Change-Id: I8904750379af4eac2a2d8346aad1610c216a5f31
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/264001
Reviewed-by: Randall Spangler <rspangler@chromium.org>
4 files changed