Change in coreboot[master]: mb/google/corsola: set up open-drain ChromeOS pins

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, Rex-BC Chen, Paul Menzel.
Yu-Ping Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60002 )

Change subject: mb/google/corsola: set up open-drain ChromeOS pins
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Patch Set 4:

(3 comments)

File src/mainboard/google/corsola/chromeos.c:

https://review.coreboot.org/c/coreboot/+/60002/comment/d9bd5e0b_fa1cba65 
PS4, Line 12: Setup
Set up

(Setup is a noun.)

https://review.coreboot.org/c/coreboot/+/60002/comment/85fc45b2_bc9b8a03 
PS4, Line 29: GPO
GPO os GPIO?

https://review.coreboot.org/c/coreboot/+/60002/comment/57f38a93_c8fbdd96 
PS4, Line 29: Setup
Set up