timestamp: Add timestamps for TPM communication

On grunt these operations combined take a little over 37ms.

BUG=b:64549506
TEST=built on grunt
 511:starting TPM PCR extend                           301,268 (598)
 512:finished TPM PCR extend                           326,710 (25,442)
 513:starting locking TPM                              326,716 (6)
 514:finished locking TPM                              339,517 (12,801)

Change-Id: I05cfb3d0f8463f073e329a035484a340546649e1
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/26218
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions