[coreboot-gerrit] [M] Change in coreboot[master]: mb/google/myst: Add new mainboard

[Eric Lai (Code Review)]

Attention is currently required from: Raul Rangel, Martin L Roth, Jon Murphy, Martin Roth, Tim Van Patten, Karthik Ramasubramanian, Felix Held, Mark Hasemeyer.

Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74093 )

Change subject: mb/google/myst: Add new mainboard
......................................................................

Patch Set 6:

(1 comment)

File src/mainboard/google/myst/dsdt.asl:

https://review.coreboot.org/c/coreboot/+/74093/comment/3e93a6bf_166686f6 
PS2, Line 16: 	Name(LIDS, 0)
> i'd say that it would be good if that was moved to the EC's acpi code to which this belongs, but tha […]

I didn't see who use this in AMD SoC code. And this is in chrome EC LID device code. https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/thir... 
Do we still need this?