Patch merged into coreboot/master: superio/nuvoton: Add back Nuvoton NCT6776 support

the following patch was just integrated into master:
commit f95daa510d6c344199be3309afb86e8030521d05
Author: Teo Boon Tiong 
Date:   Mon Sep 5 16:00:07 2016 +0800

superio/nuvoton: Add back Nuvoton NCT6776 support

Revert commit 53552cc0 (Drop SuperIO nuvoton/nct6776),
    removing the code as no other mainboard uses it.

The board Intel Saddle Brook uses this device, so add the
    code back with minor adaptations.

Change-Id: I546879285ad8336e81798d0fbdf94f72e1fa61a2
    Signed-off-by: Teo Boon Tiong 
    Reviewed-on: https://review.coreboot.org/16519
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/16519 for details.

-gerrit