[XS] Change in coreboot[main]: mb/google/rex/var/deku: Enable RTD3 for SSD

[Curtis Chen (Code Review)]

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

Curtis Chen has posted comments on this change by Curtis Chen. ( https://review.coreboot.org/c/coreboot/+/84452?usp=email )

Change subject: mb/google/rex/var/deku: Enable RTD3 for SSD
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Patch Set 2:

(1 comment)

Patchset:

PS1:
> Do you if this is the reason for Phison SSD was not entering S0ix ?

Yes, it could solve that issue. Already edit comment.