drivers/i2c: Add i2c TPM support for different stages

Change-Id: Ib0839933f8b59f0c87cdda4e5374828bd6f1099f
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/23759
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
15 files changed