[coreboot-gerrit] Change in coreboot[master]: mb/siemens/mc_ehl2: Clean up PCIe root port settings in devicetree

[Werner Zeh (Code Review)]

Attention is currently required from: Mario Scheithauer.
Werner Zeh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58853 )

Change subject: mb/siemens/mc_ehl2: Clean up PCIe root port settings in devicetree
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Patch Set 1: Code-Review+2