Temporarily extract RDE encoders/decoders to rde-client

Eventually this code is to be upstreamed as encoders and
decoders exist in libpldm library (which is in C).

For the time being while this code is upstreamed and rebased,
extracting it to rde-client repo.

Google-Bug-Id: 319677028
Change-Id: I4768719e5f63f901f9a87b5c417ebf26067f5503
Signed-off-by: Harsh Tyagi <harshtya@google.com>
3 files changed