[S] Change in coreboot[master]: mb/google/skyrim: Enable DmaProperty on WLAN device

[Mark Hasemeyer (Code Review)]

Attention is currently required from: Robert Zieba, Raul Rangel, Jason Nien, Jon Murphy, Martin Roth, Tim Van Patten, Karthik Ramasubramanian.

Mark Hasemeyer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75095 )

Change subject: mb/google/skyrim: Enable DmaProperty on WLAN device
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Patch Set 2:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/75095/comment/bd132b92_5797111c 
PS2, Line 10: MMIO
> I think it is a typo: MMIO -> IOMMU

Thanks, I'll fix the typo. The IOMMU is not able to protect against all attacks:
https://lwn.net/Articles/786558/

cc'd you on the internal bug that sparked this.

Patchset:

PS2:
> I am not sure if setting DMA property for WLAN alone is sufficient since other PCIe ports are capabl […]

Agreed. Currently this matches the behavior of other Google mainboards, but we should evaluate all PCIe based ports.