[coreboot-gerrit] Patch merged into coreboot/master: 1fd91a1 tpm: allow 0 as valid i2c bus number

the following patch was just integrated into master:
commit 1fd91a19664a96022cc036fcb3f6d53fe7ff8868
Author: Daisuke Nojiri 
Date:   Wed Oct 29 11:14:53 2014 -0700

tpm: allow 0 as valid i2c bus number

tpm driver uses bus=0 as indication of uninitialized tpm device. this
    change allows 0 as a valid i2c bus number.

BUG=None
    BRANCH=ToT
    TEST=Built cosmos.

Change-Id: Ie8d285abff11643cc3efc0fa30e4afcc3ca1c0d5
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 493077b68cf46b08f0d1ddfe57bf6064d714d537
    Original-Change-Id: Iac55e88db4ef757a292270e7201d8fdd37a90b50
    Original-Signed-off-by: Daisuke Nojiri 
    Original-Reviewed-on: https://chromium-review.googlesource.com/226294
    Original-Reviewed-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/9405
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/9405 for details.

-gerrit