Change in coreboot[master]: src/ec/google/chromeec: Add and modify APIs for USB-C DP ALT mode

[Zhuohao Lee (Code Review)]

Attention is currently required from: Furquan Shaikh, Tim Wawrzynczak, Derek Huang, Brandon Breitenstein, Curtis Chen.
Zhuohao Lee has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57138 )

Change subject: src/ec/google/chromeec: Add and modify APIs for USB-C DP ALT mode
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Patch Set 5: Code-Review+1

(3 comments)

Patchset:

PS5: 
The overall is LGTM. Tim/Furquan, do you have any comment for this patch?

File src/ec/google/chromeec/ec.h:

https://review.coreboot.org/c/coreboot/+/57138/comment/58a9fc07_242dd6a0 
PS5, Line 29: uint16_t svid, int port
maybe can swap port and svid to align with the other api. ie:
(int port, uint16_t svid)

https://review.coreboot.org/c/coreboot/+/57138/comment/bb908c7e_d0b538d1 
PS5, Line 39: long timeout, int port
Maybe can swap the port and timeout, ie:

(int port, long timeout)