Merge branch 'remotes/lorenzo/pci/cadence'

- Retrain Link to work around Gen2 training defect (Nadeem Athani)

* remotes/lorenzo/pci/cadence:
  PCI: cadence: Retrain Link to work around Gen2 training defect

diff --cc drivers/pci/controller/cadence/pcie-cadence-host.c
Simple merge