[coreboot-gerrit] Change in coreboot[master]: soc/intel: Expand SA_DEV_ROOT for ramstage

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/34411 )

Change subject: soc/intel: Expand SA_DEV_ROOT for ramstage
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Patch Set 3:

Missed a weird SA_DEV_ROOT in `mainboard/purism/librem_skl/hda_verb.c`
maybe more? didn't check.

The bad thing: The compiler doesn't warn about the conversion from
integer to pointer without a cast, because SA_DEV_ROOT is literally
`0` and there seems to be an exception for that conversion.