Change in coreboot[master]: mb: add new board clevo/tgl-u/l140mu

[Michael Niewöhner (Code Review)]

Attention is currently required from: Felix Singer, Paul Menzel, Tim Wawrzynczak.
Hello Felix Singer, build bot (Jenkins), Paul Menzel, Tim Wawrzynczak,

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

https://review.coreboot.org/c/coreboot/+/59548

to look at the new patch set (#12).

Change subject: mb: add new board clevo/tgl-u/l140mu
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mb: add new board clevo/tgl-u/l140mu

Add new board Clevo L14xMU (TGL).

GPIOs were configured based on schematics.

Tested and working:
 - On-board RAM (M471A1G44AB0-CWE)
 - DIMM slot (tested Crucial CT16G4SFD8266.16FJ1 / MTA16ATF2G64HZ-2G6J1)
 - Graphics (GOP driver), including HDMI
 - Keyboard
 - I2C touchpad (including interrupt)
 - TPM (with interrupt on Windows, only polling on Linux [1])
 - microSD Card reader
 - both NVME ports
 - Speakers
 - Microphone
 - Camera
 - WLAN/BT (CNVi)
 - All USB2/3 ports including Type-C
 - Thunderbolt detects my work laptop in TB Control Center
   (I couldn't test anything more due to security policy.)
 - TianoCore
 - internal flashing with flashrom

Note on TPM:
The vendor sets Intel PTT to default-on in newer CSME images, which
conflicts with the dTPM. Currently, there are two ways to make it work:

1) Boot vendor firmware once to let it disable PTT via CSME firmware
    feature override.
 2) Use Intel Flash Image Tool (FIT) to set "initial power-up state" to
    disabled.

Boots fine:
 - Debian testing, unstable (Linux 5.16.14, 5.17.0-rc6)
 - Windows 10 21H2 (Build 19044.1586)

Untested:
- Thunderbolt (see above)
- Type-C DisplayPort
- S-ATA
- 3G/LTE
 - 3G/LTE depends on mising EC driver
 - tested board is non-LTE version with a second NVME port instead
 - LTE version has a USB-only M.2 slot (supported by this port)

Doesn't work:
 - TPM interrupt on Linux [1]
 - WLAN/BT (PCIe) - gets detected but can't be enabled
 - All EC related functions - EC driver is WIP
  - Fn-Keys
  - S0ix
  - UCSI
  - Fan control
  - Battery info

[1] https://lkml.org/lkml/2021/5/1/103

Change-Id: I4c4bef3827da10241e9b01e12ecc4276e131a620
Signed-off-by: Michael Niewöhner 
---
A src/mainboard/clevo/tgl-u/Kconfig
A src/mainboard/clevo/tgl-u/Kconfig.name
A src/mainboard/clevo/tgl-u/Makefile.inc
A src/mainboard/clevo/tgl-u/board_info.txt
A src/mainboard/clevo/tgl-u/bootblock.c
A src/mainboard/clevo/tgl-u/cmos.default
A src/mainboard/clevo/tgl-u/cmos.layout
A src/mainboard/clevo/tgl-u/dsdt.asl
A src/mainboard/clevo/tgl-u/include/variant/gpio.h
A src/mainboard/clevo/tgl-u/include/variant/ramstage.h
A src/mainboard/clevo/tgl-u/include/variant/romstage.h
A src/mainboard/clevo/tgl-u/ramstage.c
A src/mainboard/clevo/tgl-u/romstage.c
A src/mainboard/clevo/tgl-u/spd/samsung-M471A1G44AB0-CWE.spd.hex
A src/mainboard/clevo/tgl-u/variants/l140mu/Makefile.inc
A src/mainboard/clevo/tgl-u/variants/l140mu/board_info.txt
A src/mainboard/clevo/tgl-u/variants/l140mu/data.vbt
A src/mainboard/clevo/tgl-u/variants/l140mu/devicetree.cb
A src/mainboard/clevo/tgl-u/variants/l140mu/gpio.c
A src/mainboard/clevo/tgl-u/variants/l140mu/gpio_early.c
A src/mainboard/clevo/tgl-u/variants/l140mu/hda_verb.c
A src/mainboard/clevo/tgl-u/variants/l140mu/ramstage.c
A src/mainboard/clevo/tgl-u/variants/l140mu/romstage.c
23 files changed, 898 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/59548/12