[S] Change in coreboot[master]: mb/{cfl,cml,whl}: Use true/false macros for s0ix_enable dt option

[Michael Niewöhner (Code Review)]

Attention is currently required from: Christian Walter, Eric Lai, Patrick Rudolph, Paul Menzel, Tarun Tuli, Yuchen He.

Michael Niewöhner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75960?usp=email )

Change subject: mb/{cfl,cml,whl}: Use true/false macros for s0ix_enable dt option
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Patch Set 6:

(1 comment)

Patchset:

PS6: 
I think, it makes more sense, to do this with the more generic script in CB:75888