mb/asrock: Add Asrock Industrial IMB-1222 motherboard

ASRock IMB-1222 Intel Comet Lake-S Q470E industrial thin mini-ITX
motherboard [1].

Working:
- Dual Channel DDR4 2933/2666/2400 MHz;
- Intel UHD Graphics (VGA Option ROM, libgfxinit, GOP driver);
- DP (both), HDMI;
- PCIe x16 Slot (Gen3);
- SATA ports;
- USB 2.0 ports;
- USB 3.0 ports;
- M.2 Key-E 2230 slot for Wireless (PCIe x1, USB 2.0 and CNVi);
- M.2 Key-B 3042/3052 slot for 4G/5G modem (PCIe x1);
- M.2 Key-M 2242/2260/2280 for SSD/NVMe (PCIE x4, SATA3);
- LAN1 Intel I225LM/I225V, 10/100/1000/2500 Mbps;
- LAN2 Intel I219LM, 10/100/1000 Mbps;
- Realtek ALC887 HD Audio (line-out, mic-in);
- COM 1/2/3/4 ports;
- onboard speaker;
- HWM/FANs control (fintek f81966);
- S3 suspend and wake;
- TPM;
- disabling ME with me_cleaner [2];

Payload:
- Linux as payload;
- LinuxBoot;
- SeaBIOS;
- edk2 [3].

Bootable OS:
- Ubuntu 22.04 (Linux 6.5.0-15-generic);
- Ubuntu 24.04 (Linux 6.8.0-41-generic);
- Microsoft Windows 10 Pro 10.0.19045.4780 (22H2 2022).

Unknown/untested:
- USB3.0 in M.2 Key-B 3042/3052 slot;
- eDP/LVDS;
- PCIe riser cards;
- SPDIF.

There is no schematic/boardview, reverse engineering only.
This port is based on system76/bonw14 because it has a similar topology.

[1] https://web.archive.org/web/20220924171403/https://
www.asrockind.com/en-gb/IMB-1222

[2] XutaxKamay's me_cleaner fork, https://github.com/XutaxKamay/me_cleaner,
v1.2-9-gf20532d

[3] MrChromebox's edk2 fork, https://github.com/mrchromebox/edk2
uefipayload_2408 branch

Change-Id: Id2b4c903546f9174b5e7dd26e54a0c5aaa09e1f8
Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com>
---
A Documentation/mainboard/asrock/imb-1222.md
M Documentation/mainboard/index.md
A src/mainboard/asrock/imb-1222/Kconfig
A src/mainboard/asrock/imb-1222/Kconfig.name
A src/mainboard/asrock/imb-1222/Makefile.mk
A src/mainboard/asrock/imb-1222/acpi/mainboard.asl
A src/mainboard/asrock/imb-1222/acpi/sleep.asl
A src/mainboard/asrock/imb-1222/board_info.txt
A src/mainboard/asrock/imb-1222/bootblock.c
A src/mainboard/asrock/imb-1222/cmos.default
A src/mainboard/asrock/imb-1222/cmos.layout
A src/mainboard/asrock/imb-1222/data.vbt
A src/mainboard/asrock/imb-1222/devicetree.cb
A src/mainboard/asrock/imb-1222/dsdt.asl
A src/mainboard/asrock/imb-1222/gma-mainboard.ads
A src/mainboard/asrock/imb-1222/gpio.c
A src/mainboard/asrock/imb-1222/gpio_beep.c
A src/mainboard/asrock/imb-1222/hda_verb.c
A src/mainboard/asrock/imb-1222/include/mainboard/gpio.h
A src/mainboard/asrock/imb-1222/include/mainboard/superio.h
A src/mainboard/asrock/imb-1222/panic.c
A src/mainboard/asrock/imb-1222/ramstage.c
A src/mainboard/asrock/imb-1222/romstage.c
A src/mainboard/asrock/imb-1222/superio.c
24 files changed, 1,318 insertions(+), 0 deletions(-)