DPE: Add initial input for fuzzing

Content:
 - pre-encoded CBOR commands per command type
   (DeriveContext, etc.)
 - raw data per command type to issue certain
   commands through the client API
 - raw data to issue random commands through
   the client API

Change-Id: I5bac56998ee3997e5ee15c09f5289c1a47340657
48 files changed