pinky: implement hard_reset

this change implements hard_reset, which resets the board.

BUG=none
TEST=Booted Pinky
BRANCH=none

Change-Id: Iefb9d96fbddc77892191b62cc2bd0fe6054c3857
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 17633fc8d4132d99c5b4f9f208bf9bd0fbb0773b
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: Ia375644be01aa4c2c078ba8c7df94e316d155402
Original-Reviewed-on: https://chromium-review.googlesource.com/219624
Original-Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: http://review.coreboot.org/8874
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
3 files changed