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

[Kun Liu (Code Review)]

Attention is currently required from: Karthik Ramasubramanian, Shelley Chen.

Kun Liu 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
......................................................................

Patch Set 2:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84412/comment/8bb62e29_b02c03bb?usp... :
PS2, Line 9: Power off does not seem to use the ACPI _OFF function
> Did you try to use "has_power_resource" = "1" in the concerned touchscreen device in the override tr […]

use "has_power_resource" = "1",add reset delay does not take effect,the result is as follows:https://partnerissuetracker.corp.google.com/issues/364193909#comment21,  so use SMI handler to manage the power.