[coreboot-gerrit] [S] Change in coreboot[master]: mb/google/myst: Add pen detect support

[Jon Murphy (Code Review)]

Attention is currently required from: Eric Lai, Martin Roth.

Jon Murphy has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75696?usp=email )

Change subject: mb/google/myst: Add pen detect support
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Patch Set 1:

(1 comment)

File src/mainboard/google/myst/variants/myst/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/75696/comment/f0c3e14b_a5154105 :
PS1, Line 77: 			device generic 0 on end
> It's outside of the scope of this CL, but according to go/myst-skus we don't have a field to indicat […]

I thought I remembered both SKU's having a stylus, but I see now that only SKU A does.  I'll add a fw_config item and update in a follow up.  b/286398673