[XS] Change in coreboot[master]: mb/google/skyrim/: Set system_configuration to 3 to avoid SMU call

[Tim Van Patten (Code Review)]

Attention is currently required from: Jason Glenesk, Jason Glenesk, Jason Nien, Martin Roth, Matt DeVillier, Paul Menzel.

Tim Van Patten has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/76091?usp=email )

Change subject: mb/google/skyrim/: Set system_configuration to 3 to avoid SMU call
......................................................................

Patch Set 5:

(2 comments)

File src/mainboard/google/skyrim/variants/baseboard/devicetree.cb:

PS2:
> Acknowledged

I don't see the change here.

Please link the CL here if it's going to be done separately.

File src/mainboard/google/skyrim/variants/baseboard/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/76091/comment/8a201a78_02bb72ce :
PS5, Line 266: and
nit: 'an'