post_codes: Add missing post codes for memory param preparation

This change matches the coreboot change to add memory param prepartion
start and end post codes to fsp drivers:
https://review.coreboot.org/c/coreboot/+/29150

BUG=None
BRANCH=None
TEST=None

Change-Id: I0c28144a7febcff57f1f7a7d720d976d83829d4a
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1283955
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
2 files changed