Change in coreboot[master]: mb/system76/addw1: Add System76 Adder Workstation 1

[Tim Crawford (Code Review)]

Hello build bot (Jenkins), Patrick Georgi, Martin Roth, Jeremy Soller,

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

https://review.coreboot.org/c/coreboot/+/48421

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

Change subject: mb/system76/addw1: Add System76 Adder Workstation 1
......................................................................

mb/system76/addw1: Add System76 Adder Workstation 1

Tested with TianoCore payload.

Not working:

- Discrete/Hybrid graphics
- Internal speakers

Change-Id: I5dd3bc320ca640728e1d86180c6bfa0dc7295760
Signed-off-by: Jeremy Soller 
Signed-off-by: Tim Crawford 
---
A src/mainboard/system76/addw1/Kconfig
A src/mainboard/system76/addw1/Kconfig.name
A src/mainboard/system76/addw1/Makefile.inc
A src/mainboard/system76/addw1/acpi/gpe.asl
A src/mainboard/system76/addw1/acpi/mainboard.asl
A src/mainboard/system76/addw1/acpi/sleep.asl
A src/mainboard/system76/addw1/board_info.txt
A src/mainboard/system76/addw1/bootblock.c
A src/mainboard/system76/addw1/data.vbt
A src/mainboard/system76/addw1/devicetree.cb
A src/mainboard/system76/addw1/dsdt.asl
A src/mainboard/system76/addw1/gpio.c
A src/mainboard/system76/addw1/gpio_early.c
A src/mainboard/system76/addw1/hda_verb.c
A src/mainboard/system76/addw1/include/mainboard/gpio.h
A src/mainboard/system76/addw1/ramstage.c
A src/mainboard/system76/addw1/romstage.c
17 files changed, 766 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/48421/3