Patch merged into coreboot/master: drivers/i2c/tpm: push tpm driver from verstage to libverstage

the following patch was just integrated into master:
commit 091b4ae7dee500fc9c950c8a3667da4f99758c94
Author: Patrick Georgi 
Date:   Mon Jun 29 23:08:44 2015 +0200

drivers/i2c/tpm: push tpm driver from verstage to libverstage

That way it's available wherever the verstage code ends up, bootblock,
    verstage or romstage.

Change-Id: I0665e297f199acd60cff93e1b39812f183115d33
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10707
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/10707 for details.

-gerrit