[L] Change in coreboot[main]: mb/system76/rpl: Add Adder WS 4 as a variant

[Tim Crawford (Code Review)]

Attention is currently required from: Jeremy Soller.

Hello Jeremy Soller,

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

https://review.coreboot.org/c/coreboot/+/82595?usp=email

to look at the new patch set (#3).

Change subject: mb/system76/rpl: Add Adder WS 4 as a variant
......................................................................

mb/system76/rpl: Add Adder WS 4 as a variant

The Adder WS 4 (addw4) is a Raptor Lake-HX board.

Tested with a custom edk2 UefiPayloadPkg.

Working:

- PS/2 keyboard
- I2C HID touchpad
- Both DIMM slots (with Crucial CT8G48C40S5)
- M.2 NVMe SSDs
- All USB ports
- MicroSD card reader
- Webcam
- Ethernet
- WiFi/Bluetooth
- Integrated graphics using Intel GOP driver
- Backlight controls on Linux 6.8
- DisplayPort output over USB-C
- Internal microphone
- Internal speakers
- Combined headset + mic 3.5mm audio
- 3.5mm microphone input
- S3 suspend/resume
- Booting Pop!_OS Linux 22.04 with kernel 6.8.0
- TPM 2.0 device

Not working:

- Discrete/Hybrid graphics
- Detection of devices in TBT slot on boot

Change-Id: I4a6819cbcf64f68237008adebdd7eb196336514c
Signed-off-by: Tim Crawford 
---
M src/mainboard/system76/rpl/Kconfig
M src/mainboard/system76/rpl/Kconfig.name
M src/mainboard/system76/rpl/devicetree.cb
A src/mainboard/system76/rpl/variants/addw4/board.fmd
A src/mainboard/system76/rpl/variants/addw4/board_info.txt
A src/mainboard/system76/rpl/variants/addw4/data.vbt
A src/mainboard/system76/rpl/variants/addw4/gpio.c
A src/mainboard/system76/rpl/variants/addw4/gpio_early.c
A src/mainboard/system76/rpl/variants/addw4/hda_verb.c
A src/mainboard/system76/rpl/variants/addw4/overridetree.cb
A src/mainboard/system76/rpl/variants/addw4/romstage.c
11 files changed, 523 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/95/82595/3