peppy: Port updates from slippy/falco boards

- Add HDA verb table
- Add on-board device table
- Add panel power sequencing values

BUG=chrome-os-partner:19636
BRANCH=none
TEST=manual: emerge-peppy chromeos-coreboot-peppy

Change-Id: I1b3450c2740ec1d930f157a9b23550e1efc8668f
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/58197
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
5 files changed