[coreboot-gerrit] Change in coreboot[master]: mb/siemens/mc_apl1: Use `pci_or_config16` function

[Mario Scheithauer (Code Review)]

Mario Scheithauer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/47400 )

Change subject: mb/siemens/mc_apl1: Use `pci_or_config16` function
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Patch Set 1: Code-Review+2

Thanks for simplifying!