Change in coreboot[master]: soc/intel/skylake: vr_config: enable PSI3 and PSI4 by default

[Michael Niewöhner (Code Review)]

Michael Niewöhner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39980 )

Change subject: soc/intel/skylake: vr_config: enable PSI3 and PSI4 by default
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Patch Set 3:

(2 comments)

https://review.coreboot.org/c/coreboot/+/39980/3//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/coreboot/+/39980/3//COMMIT_MSG@13 
PS3, Line 13:
> Mention that in 2015 there were problems in FSP?

ACK

https://review.coreboot.org/c/coreboot/+/39980/3//COMMIT_MSG@18 
PS3, Line 18: Boards that have a domain_vr_config and set their specific settings are
I'd like to have a way to dump the vendor information from the vendor image and/or read it by inteltool. Nico tried to read the VR mailbox without success. I tried to check the MSR 0x601 but that is 0x00