[L] Change in coreboot[main]: [WIP] mb/hardkernel/odroid-h4: add initial odroid-h4 support

[Alicja Michalska (Code Review)]

Attention is currently required from: Angel Pons, David Milosevic.

Alicja Michalska has posted comments on this change by David Milosevic. ( https://review.coreboot.org/c/coreboot/+/83979?usp=email )

Change subject: [WIP] mb/hardkernel/odroid-h4: add initial odroid-h4 support
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Patch Set 2:

(4 comments)

Patchset:

PS2: 
Hi!

File src/mainboard/hardkernel/odroid-h4/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/83979/comment/3776b072_e1583d73?usp... :
PS2, Line 17: 	register "s0ix_enable" = "1"
It's unlikely that you'll get s0ix working with IT8613E unfortunately. Worth giving it a try though 😜

https://review.coreboot.org/c/coreboot/+/83979/comment/1e015a21_34d9d0e1?usp... :
PS2, Line 84: 		#		.clk_src = 2,
On most ADL-N systems, M.2 NVME is connected to Clock Source 0.
It's the same for firewall I'm currently porting (Topton N100).

Hopefully this will help you get NVME working 😊
https://www.pollin.de/productdownloads/D811684D.PDF

https://review.coreboot.org/c/coreboot/+/83979/comment/b427c1b2_cec9c256?usp... :
PS2, Line 141: 				device pnp 2e.6 on end # Mouse
From what I can see, this board doesn't have PS/2 ports. It's safe to disable LDN5 and LDN6