[coreboot-gerrit] Change in coreboot[master]: mb/google/brya: enable DPTF functionality for brya

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Furquan Shaikh, Sumeet R Pawnikar.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52859 )

Change subject: mb/google/brya: enable DPTF functionality for brya
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Patch Set 3:

(1 comment)

File src/mainboard/google/brya/variants/brya0/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/52859/comment/6bfb8bd2_f2fc0882 
PS3, Line 14: Ambient
I only see the first two sensors in the EC code...
when I cherry pick this patch, I see a large negative temp for TSR2:
```
localhost ~ # grep -H . /sys/class/thermal/thermal_zone*/{type,temp}
/sys/class/thermal/thermal_zone0/type:x86_pkg_temp
/sys/class/thermal/thermal_zone1/type:INT3400 Thermal
/sys/class/thermal/thermal_zone2/type:TSR0
/sys/class/thermal/thermal_zone3/type:TSR1
/sys/class/thermal/thermal_zone4/type:TSR2
/sys/class/thermal/thermal_zone5/type:TCPU
/sys/class/thermal/thermal_zone0/temp:24000
/sys/class/thermal/thermal_zone1/temp:20000
/sys/class/thermal/thermal_zone2/temp:24850
/sys/class/thermal/thermal_zone3/temp:29850
/sys/class/thermal/thermal_zone4/temp:-273150
/sys/class/thermal/thermal_zone5/temp:19000
```