boot_verifier: Implement updated verified boot spec

Update the verified boot flow to send device state, boot state, unlocked
flag, hash of public key, system version, system security level to trust zone,
add support to pass eio mode for dm-verity and update the display messages for
all the states.

Change-Id: Idc29c1c2686c431158caf69d9669352df9d6b4cd
8 files changed