Import chip ID defines from upstream

First batch, those that are uncontroversial.
Also updates to comments.
And a rename (EMST_* to ESMT_* because the former is a typo)

BUG=chromium:478356
BRANCH=none
TEST=still builds

Change-Id: I0123d672fa23a80f33d239732f8fe0eddad12ff6
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/439167
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
2 files changed