Change in coreboot[master]: mb/google/soraka: enable AER for PCIe root port 0

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Change subject: mb/google/soraka: enable AER for PCIe root port 0
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/15126/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/59862/ : SUCCESS