[WIP] mb/asus/sklkbl_h: Add base for Asus Skylake Boards

Currently WIP: H110T
Next: Q170T (Same issues currently)

Working:
- Booting into SeaBIOS
- Booting into TianoCore
- UART (uses 12V RS232 levels!)
- HDMI and DP in Tianocore via libgfxinit
- TPM 2.0
- NVMe M.2

Not working:
- Booting Linux, resets at DMAR
- Video in Linux
- USB (Needs devicetree entries)

Untested:
- Ethernet (Needs working OS)
- LVDS (No hardware to test)
- Sound (Needs working OS)
- M.2 E key slot (Needs working OS)
- SATA (Needs working OS)
- S3 sleep (Needs working OS)

TODO:
- Fill devicetree more (Most notably USB OC pins)
- Fix bootloop
- Booting Memtest86 as the primary payload reveals
  that CPU0 is receiving an unexpected interrupt,
  causing it to reset.

Notes:
- EM100 usage flakey (does quad IO even though IFD is modified not to)
- Stripping ME causes the board to not boot at all.
  The same behaviour occurs with me_cleaned vendor firmware.
  But setting the HAP bit works and disables the ME.

Change-Id: Iab30596f2a12931679687c9f56427712b65f9363
Signed-off-by: Marvin Drees <marvin@ceres-sys.de>
---
A src/mainboard/asus/sklkbl_h/Kconfig
A src/mainboard/asus/sklkbl_h/Kconfig.name
A src/mainboard/asus/sklkbl_h/Makefile.inc
A src/mainboard/asus/sklkbl_h/acpi/ec.asl
A src/mainboard/asus/sklkbl_h/acpi/superio.asl
A src/mainboard/asus/sklkbl_h/board_info.txt
A src/mainboard/asus/sklkbl_h/bootblock.c
A src/mainboard/asus/sklkbl_h/cmos.default
A src/mainboard/asus/sklkbl_h/cmos.layout
A src/mainboard/asus/sklkbl_h/dsdt.asl
A src/mainboard/asus/sklkbl_h/include/variant/gpio.h
A src/mainboard/asus/sklkbl_h/include/variant/superio.h
A src/mainboard/asus/sklkbl_h/ramstage.c
A src/mainboard/asus/sklkbl_h/romstage.c
A src/mainboard/asus/sklkbl_h/variants/h110t/board_info.txt
A src/mainboard/asus/sklkbl_h/variants/h110t/data.vbt
A src/mainboard/asus/sklkbl_h/variants/h110t/devicetree.cb
A src/mainboard/asus/sklkbl_h/variants/h110t/gma-mainboard.ads
A src/mainboard/asus/sklkbl_h/variants/h110t/gpio.c
A src/mainboard/asus/sklkbl_h/variants/h110t/gpio_early.c
A src/mainboard/asus/sklkbl_h/variants/h110t/hda_verb.c
A src/mainboard/asus/sklkbl_h/variants/h110t/superio.c
22 files changed, 1,780 insertions(+), 0 deletions(-)