[L] Change in coreboot[main]: soc/intel/common/systemagent_server: Add server platform system agent

[Angel Pons (Code Review)]

Attention is currently required from: Arthur Heymans, Felix Held, Felix Singer, Jérémy Compostella, Lean Sheng Tan, Paul Menzel, Shuo Liu, [e-mail].

Angel Pons has posted comments on this change by [e-mail]. ( https://review.coreboot.org/c/coreboot/+/83318?usp=email )

Change subject: soc/intel/common/systemagent_server: Add server platform system agent
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Patch Set 30: Code-Review+2

(1 comment)

File src/soc/intel/common/block/systemagent-server/common.c:

https://review.coreboot.org/c/coreboot/+/83318/comment/a4f45969_a0a124d8?usp... :
PS29, Line 8: pci_moving_config32
> Maybe a separate patch.

Okay, let's keep it like this for now, but it would be nice to update common code to provide these "moving config" functions with SIMPLE_DEVICE.