[M] Change in coreboot[main]: drivers/intel/dtbt: Add discrete Thunderbolt driver

[Tim Crawford (Code Review)]

Attention is currently required from: Kyösti Mälkki, Martin L Roth, Michał Żygowski, Paul Menzel, Tim Wawrzynczak, Utkarsh H Patel.

Hello Jeremy Soller, Tim Wawrzynczak, Utkarsh H Patel, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/75286?usp=email

to look at the new patch set (#10).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: drivers/intel/dtbt: Add discrete Thunderbolt driver
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drivers/intel/dtbt: Add discrete Thunderbolt driver

Add a new driver for discrete Thunderbolt controllers. This allows using
e.g. Maple Ridge devices on Raptor Point PCH.

Ref: Titan Ridge BIOS Implementation Guide v1.4
Ref: Maple Ridge BIOS Implementation Guide v1.6 (#632472)
Change-Id: Ib78ce43740956fa2c93b9ebddb0eeb319dcc0364
Signed-off-by: Jeremy Soller 
Signed-off-by: Tim Crawford 
---
A src/drivers/intel/dtbt/Kconfig
A src/drivers/intel/dtbt/Makefile.mk
A src/drivers/intel/dtbt/chip.h
A src/drivers/intel/dtbt/dtbt.c
4 files changed, 214 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/86/75286/10