Source: https://chromium.googlesource.com/chromiumos/platform/ec
Git Commit: 2be8b69ddac0001638ca548b23c6cb50f71830b7
License: 3-Clause BSD

This is a partial import of the ChromiumOS EC code, to simplify implementing a CrOS EC driver.

Changes:
- Moved files around to fit Zircon organization