Enable I2C bus 2 for early init so it can be used by vboot for TPM
communication for verifying the memory init code.
BUG=chrome-os-partner:53336
BRANCH=none
TEST=build and boot on reef
Change-Id: Id4940ab01d8ccf288ab0a7a9a2f19867ed464e8d
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/16059
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>