[coreboot-gerrit] Change in coreboot[master]: soc/mediatek: Fix null pointer dereference error when PCIe link down

[Jianjun Wang (Code Review)]

Attention is currently required from: Hung-Te Lin, Yu-Ping Wu.
Jianjun Wang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62673 )

Change subject: soc/mediatek: Fix null pointer dereference error when PCIe link down
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Patch Set 1: Code-Review+1