vboot2: factory-initialize kernel space in tpm

This change makes coreboot initialize kernel space and backup space in the tpm
when no firmware space is found in the tpm.

Added a few extra debug messages as a bonus.

BUG=chrome-os-partner:32410,chrome-os-partner:57777
TEST=emerge-nyan_kitty coreboot
BRANCH=firmware-kitty-5771.61.B

Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>

Original-Change-Id: I777e3cb7004870c769163827543c83665d3732b9
Original-Reviewed-on: https://chromium-review.googlesource.com/220412
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Randall Spangler <rspangler@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
(cherry picked from commit d8c0c407bf0fed60d76441ada7bedd36f6fc3a38)

Change-Id: Ic53f4747d792b72f05d50e602d0d18652e236fa4
Reviewed-on: https://chromium-review.googlesource.com/394270
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
2 files changed