sys-boot/shim: add support for TDX measurements

Backport TDX measurements patch from the upstream

BUG=b/331427752
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ie9bf5de2a663a8b2e1c762b8e22614b76980d944
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/69491
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Kevin Berry <kpberry@google.com>
3 files changed