superiotool: Add Nuvoton NCT6791D

This adds support for the Nuvoton NCT6791D Super I/O chip to the
superiotool.
The implementation is based on the Datasheet supplied by Nuvoton:
Datasheet Version: January 8th, 2016 Revision 1.11

Datasheet deviation:
- Defaults for control registers 0x20 and 0x21 are invalid.
  Datasheet: 0xc562. Actual: 0xc803.

Change-Id: I8ced9738cd41960cbab7b5ea38ff19192d210672
Signed-off-by: Omar Pakker <omarpakker+coreboot@gmail.com>
Reviewed-on: https://review.coreboot.org/15252
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

0 files changed, 0 insertions, 0 deletions