[XS] Change in coreboot[main]: soc/intel/xeon_sp: Skip not pre-routed devices in _PRT reporting

[Lean Sheng Tan (Code Review)]

Attention is currently required from: Angel Pons, Shuo Liu.

Lean Sheng Tan has posted comments on this change by Shuo Liu. ( https://review.coreboot.org/c/coreboot/+/85152?usp=email )

Change subject: soc/intel/xeon_sp: Skip not pre-routed devices in _PRT reporting
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Patch Set 6: Code-Review+2