servo FW rollout: add script listing servos to update with instructions

For usage see md file.

BUG=b:351341190
TEST=multiple different runs of the script

Change-Id: Ie8fddf51028986075efdb86cde241e96981e60ee
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hdctools/+/5836672
Reviewed-by: 488603086791@cloudbuild.gserviceaccount.com <488603086791@cloudbuild.gserviceaccount.com>
Commit-Queue: Łukasz Hajec <hajec@google.com>
Tested-by: Łukasz Hajec <hajec@google.com>
Auto-Submit: Łukasz Hajec <hajec@google.com>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
2 files changed