trunks_send: Add support for VENDOR_CC_POP_LOG_ENTRY

Allow TPM logs to be retrieved through a new vendor command.

BUG=b:63760920
TEST=On eve, store TPM logs through 'logentry' cr50 console command,
verify logs are fetched correctly through 'trunks_send --pop_logentry'.

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: Ia2a16650c10a2df9fb9cc6a7b2008a76049d9db6
Reviewed-on: https://chromium-review.googlesource.com/608807
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
1 file changed