[S] Change in coreboot[main]: mb/google/brox/var/lotso: Fix goodix touchscreen power off sequence

[Paul Menzel (Code Review)]

Attention is currently required from: Jian Tong, Karthik Ramasubramanian, Kun Liu, Shelley Chen.

Paul Menzel has posted comments on this change by Kun Liu. ( https://review.coreboot.org/c/coreboot/+/84412?usp=email )

Change subject: mb/google/brox/var/lotso: Fix goodix touchscreen power off sequence
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Patch Set 3:

(4 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84412/comment/bdd9d400_8dfe69c1?usp... :
PS3, Line 9: Power off
Poweroff

https://review.coreboot.org/c/coreboot/+/84412/comment/cfe4f5b1_8cf5f32d?usp... :
PS3, Line 9: Power off does not seem to use the ACPI _OFF function, but rather the
           : smihandler.
How can this be verified for sure? We try to avoid SMI, don’t we?

https://review.coreboot.org/c/coreboot/+/84412/comment/3f30561e_f50e89ec?usp... :
PS3, Line 11: power off
poweroff

https://review.coreboot.org/c/coreboot/+/84412/comment/9c58c756_6770e59d?usp... :
PS3, Line 14: TEST=emerge-brox coreboot
Did you test it on the device?