Change in coreboot[master]: cpu/x86/mtrr: Delay removing `temp` variable range MTRR snapshot

[Subrata Banik (Code Review)]

Attention is currently required from: Angel Pons, Nick Vaccaro, Kane Chen, Werner Zeh.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63220 )

Change subject: cpu/x86/mtrr: Delay removing `temp` variable range MTRR snapshot
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Patch Set 2:

(1 comment)

Patchset:

PS1:
> Interestingly, looks like picasso,sabrina,cezanne all use the temporary MTRRs for marking the ROM as WP, maybe they could switch to using a variable MTRR instead too?

Yes, ideally they can. Will being this into Karthik's notice.