[coreboot-gerrit] Change in coreboot[master]: mb/google/guybrush/var/dewatt: Add Elan touchscreen

[Rob Barnes (Code Review)]

Attention is currently required from: Paul Menzel, Ren Kuo, Kenneth Chan, Karthik Ramasubramanian, Karthikeyan Ramasubramanian.
Rob Barnes has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59975 )

Change subject: mb/google/guybrush/var/dewatt: Add Elan touchscreen
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Patch Set 6:

(1 comment)

File src/mainboard/google/guybrush/variants/dewatt/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/59975/comment/66370fc1_10476d0b 
PS2, Line 67: register "generic.stop_delay_ms" = "280"
> that's ok.

Long resume time is not OK. Please measure resume time impact of this touchscreen. I suggest also reviewing these delays with ELAN to determine if they can be reduced.