The patch includes number of fixes for the architecture doc.
Fixes the logical flow between the attestation agent and relying party
for all the diagrams.
Fixes the architecture diagram for process-based TEEs and replaces
references to inclavare with enclave-cc.
Added the architecture diagram for peer-pods approach.
Finally updated the markdown to use relative paths for the images to make
it easier for viewing during reviews and editors.
Signed-off-by: Pradipta Banerjee <pradipta.banerjee@gmail.com>
