mainboard/pcengines/apu2: Add LPC TPM support

APU2 exposes a LPC header which can be used
in conjunction with a LPC TPM module.

Change-Id: If9312370a5071ffbeb6d83888c75fa69a0c27819
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/18523
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
3 files changed