Change in coreboot[master]: cpu/x86: Default to PARALLEL_MP selected

[Arthur Heymans (Code Review)]

Attention is currently required from: Raul Rangel, Mariusz Szafrański, Jonathan Zhang, Angel Pons, Kyösti Mälkki, Andrey Petrov, Patrick Rudolph, Jason Glenesk, Anjaneya "Reddy" Chagam, Damien Zammit, Marshall Dawson, Johnny Lin, Tim Wawrzynczak, Suresh Bellampalli, Vanessa Eusebio, Michal Motyl, Morgan Jang, Felix Held.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55196 )

Change subject: cpu/x86: Default to PARALLEL_MP selected
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Patch Set 4:

(1 comment)

File src/cpu/x86/Kconfig:

https://review.coreboot.org/c/coreboot/+/55196/comment/94fd63cf_a5287d14 
PS3, Line 6: PARALLEL_MP
> If we decide LEGACY_CPU_INIT should go away, I'd rather have them tagged explicitly. […]

Done