tlcl: support sending raw commands

Implement TlclSendReceive and TlclPacketSize required
for sending raw commands.

BRANCH=none
BUG=chrome-os-partner:55210
TEST=boot on kevin, verify that 'tpmc raw' works

Change-Id: Iba41b95dd7790a6b7a3a7af6cf5f897f45dce1e5
Reviewed-on: https://chromium-review.googlesource.com/363033
Commit-Ready: Andrey Pronin <apronin@chromium.org>
Tested-by: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
3 files changed