drivers/tpm: Add return codes to TPM driver

Add additional failure mode reporting to the TPM driver to provide
additional visibility into what failures are occurring.

BUG=b:296439237
TEST=Verify code paths on Skyrim, ensure behavior is unchanged.
BRANCH=None

Change-Id: I77a653201acf1bddc1ed1e2af701c8d3dd4f0606
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77491
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jan Samek <jan.samek@siemens.com>

0 files changed, 0 insertions, 0 deletions