Patch merged into coreboot/master: cb997d3 pc80/tpm: allow for cache-as-ram migration

the following patch was just integrated into master:
commit cb997d3710900d5950d244edd607e25bb45ea962
Author: Aaron Durbin 
Date:   Fri May 10 00:40:56 2013 -0500

pc80/tpm: allow for cache-as-ram migration

As the TPM driver can be accessed in romstage after
    cache-as-ram is torn down use the cache-as-ram migration
    API to dynamically determine the global variable address.

Change-Id: I149d7c130bc3677ed52282095670c07a76c34439
    Signed-off-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/3233
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/3233 for details.

-gerrit