Change in coreboot[master]: mb/google/guybrush: Enable STT in device tree

[Jason Glenesk (Code Review)]

Attention is currently required from: Diana Zigterman, Paul Menzel, Nikolai Vyssotski.
Jason Glenesk has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55434 )

Change subject: mb/google/guybrush: Enable STT in device tree
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Patch Set 3:

(1 comment)

File src/mainboard/google/guybrush/variants/baseboard/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/55434/comment/0899143c_f6787c40 
PS3, Line 66: 	register "stt_skin_temp_apu" = "0x2D00"
> It’d be great if the unit would be part of the name, and, if degree celcius, it’d be to the basis te […]

Thanks Paul. Ordinarily i would agree, but all of these values are encoded in a way that is consumed further down the line. It might be worthwhile later to revisit the encoding scheme to make it easier to work with from coreboot.