[L] Change in coreboot[main]: mb/asrock: Add ASRock H370m-ITX support (Coffee Lake)

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Attention is currently required from: Felix Singer, Name of user not set #1004406.

Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/65225?usp=email

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

Change subject: mb/asrock: Add ASRock H370m-ITX support (Coffee Lake)
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mb/asrock: Add ASRock H370m-ITX support (Coffee Lake)

I tested my code on a Intel i3-9100F under
Ubuntu 24.04 and Windows 10 with SeaBIOS.

following things are working flawlessly:
* all PCIe slots
* all USB ports
* VGA init in SeaBIOS (discrete nvida gpu)
* WiFi and onboard sound
* both Ethernet ports
* all SATA ports (besides m.2)

what was not tested:
* front audio jacks

whats not working:
* suspend to ram, it won't poweroff correctly
* edk2 with Windows 10+
* m.2 sata port/pcie is working

romstage changes:
* corrects resistor cfg (see 573387)
* removes unused dq/dqs mappings

* adds default config for Asrock H370M-ITX

* uses devicetree pci aliases
* removes unncesseray keys in devicetree.cb
* rename Makefile.inc to Makefile.mk
* load gpio config after FSP-S init
* move gpio_table to C file

Change-Id: I79302247311471153ebbba991081365d9265791b
Signed-off-by: Max Fritz 
---
A configs/config.asrock_h370m_itx
A src/mainboard/asrock/h370m/Kconfig
A src/mainboard/asrock/h370m/Kconfig.name
A src/mainboard/asrock/h370m/Makefile.mk
A src/mainboard/asrock/h370m/board_info.txt
A src/mainboard/asrock/h370m/bootblock.c
A src/mainboard/asrock/h370m/cmos.default
A src/mainboard/asrock/h370m/cmos.layout
A src/mainboard/asrock/h370m/devicetree.cb
A src/mainboard/asrock/h370m/dsdt.asl
A src/mainboard/asrock/h370m/gpio.c
A src/mainboard/asrock/h370m/include/gpio.h
A src/mainboard/asrock/h370m/ramstage.c
A src/mainboard/asrock/h370m/romstage.c
14 files changed, 915 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/65225/16