Change in coreboot[master]: soc/amd/cezanne/romstage: Store early dram region

[Felix Held (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50338 )

Change subject: soc/amd/cezanne/romstage: Store early dram region
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Patch Set 2:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/50338/comment/225a507d_d2c69f19 
PS1, Line 9: Needed so we can reserve the memory
> nit: missing a period at the end of the sentence

Done