satlab: add passport definition to docker-compose

BUG=b:578394343
TEST=led https://ci.chromium.org/b/8666790173670463969/infra

Change-Id: I62c5e522f572a68970d4b5b3aaaffea6eb71b90b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/satlab/+/8667800
Tested-by: Przemysław Filipek <filipek@google.com>
Auto-Submit: Przemysław Filipek <filipek@google.com>
Reviewed-by: Rafał Gaweł <rafalgawel@google.com>
Commit-Queue: Przemysław Filipek <filipek@google.com>