[S] Change in coreboot[main]: mb/google/rex/variants/deku: remove IOEX, replace with GPIOs

[Paul Menzel (Code Review)]

Attention is currently required from: Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Kapil Porwal, Subrata Banik, Tarun.

Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/80570?usp=email )

Change subject: mb/google/rex/variants/deku: remove IOEX, replace with GPIOs
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Patch Set 1:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/80570/comment/51e7c5d6_525f4e47 :
PS1, Line 7: remove IOEX, replace with GPIOs
Maybe: Replace IOEX with GPIOs

https://review.coreboot.org/c/coreboot/+/80570/comment/5904818a_542ee649 :
PS1, Line 9: Make the required change as per the details in the bug.
Please add the summary here, as a commit message needs to be self-contained.