[L] Change in coreboot[main]: mainboard/dell: Add new mainboard XPS 8300 (Sandy Bridge)

[Ronald Claveau (Code Review)]

Attention is currently required from: Felix Singer, Ronald Claveau.

Hello Felix Singer, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/83104?usp=email

to look at the new patch set (#16).

The following approvals got outdated and were removed:
Code-Review+2 by Felix Singer, Verified+1 by build bot (Jenkins)

Change subject: mainboard/dell: Add new mainboard XPS 8300 (Sandy Bridge)
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mainboard/dell: Add new mainboard XPS 8300 (Sandy Bridge)

Mainboard is identified as 0Y2MRG.
The version tested is with Nvidia dGPU (gfx 560ti).

The flash is a 4MiB Winbond W25Q32BVSIG.
It can be flashed internally with flashrom.
Add a strap on the service mode pin of the mainboard for internal flash.

Tested working:
- SeaBIOS
- All USB ports
- SATA
- dGPU
- Ethernet
- Environment control
- GPIOs
- S3 Sleep mode
- WakeOnLan

Change-Id: I7d394794fec580bc7aed3f6396ceb47d4a6fd059
Signed-off-by: Ronald Claveau 
---
A src/mainboard/dell/xps_8300/Kconfig
A src/mainboard/dell/xps_8300/Kconfig.name
A src/mainboard/dell/xps_8300/Makefile.mk
A src/mainboard/dell/xps_8300/acpi/ec.asl
A src/mainboard/dell/xps_8300/acpi/platform.asl
A src/mainboard/dell/xps_8300/acpi/superio.asl
A src/mainboard/dell/xps_8300/board_info.txt
A src/mainboard/dell/xps_8300/devicetree.cb
A src/mainboard/dell/xps_8300/dsdt.asl
A src/mainboard/dell/xps_8300/early_init.c
A src/mainboard/dell/xps_8300/gpio.c
A src/mainboard/dell/xps_8300/hda_verb.c
A src/mainboard/dell/xps_8300/mainboard.c
A src/mainboard/dell/xps_8300/smihandler.c
14 files changed, 471 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/83104/16