[XL] Change in coreboot[main]: drivers/intel/touch: Add Intel Touch Controller driver

[Cliff Huang (Code Review)]

Attention is currently required from: Bora Guvendik, Intel coreboot Reviewers, Jérémy Compostella, Kyoung Il Kim, Paul Menzel, Subrata Banik.

Cliff Huang has posted comments on this change by Cliff Huang. ( https://review.coreboot.org/c/coreboot/+/85198?usp=email )

Change subject: drivers/intel/touch: Add Intel Touch Controller driver
......................................................................

Patch Set 12:

(5 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/85198/comment/54df7356_234dab9a?usp... :
PS12, Line 26:
> Does the driver log something? Any hints how to debug the driver?

Acknowledged.

File src/drivers/intel/touch/chip.h:

https://review.coreboot.org/c/coreboot/+/85198/comment/6da8d61a_24dce1bb?usp... :
PS12, Line 15: 	uint64_t connection_speed;
> What is the unit?

Acknowledged

https://review.coreboot.org/c/coreboot/+/85198/comment/330951bf_3232545a?usp... :
PS12, Line 183: 	/* Delay to be inserted after device is taken out of reset. */
> No dot at the end (also above and below).

Acknowledged

File src/drivers/intel/touch/elan.h:

https://review.coreboot.org/c/coreboot/+/85198/comment/03b549d6_aba369b5?usp... :
PS12, Line 17: #define ELAN_RST_SEQ_DLY	300
> Please add the unit to the name.

unit commented in line 14 should be sufficient.

https://review.coreboot.org/c/coreboot/+/85198/comment/1334dae9_2b682bdd?usp... :
PS12, Line 45: 2C Fast
> Missing I?

Acknowledged