doc: update/fix FSM charts

These reflect the plan for refactoring, and will be implemented by
I82e3f918295daa83274a4cf803f046979f284366 and
Id7a4407d9b63be05ce63f5f2768b7d7e3d5c86fb

Change-Id: I29e31b753e23a4207662e0e385a337e7df836f45
23 files changed