Merge branch 'remotes/lorenzo/pci/endpoint'

Merge branch 'remotes/lorenzo/pci/endpoint'

  - Complete PCI endpoint removal so a subsequent add doesn't fail with
    -EBUSY (Alan Mikhak)

  - Pay attention to PCI endpoint fixed-size BARs (Alan Mikhak)

  - Fix PCI endpoint handling of 64bit BARs (Alan Mikhak)

  - Clear PCI endpoint BARs before freeing space (Alan Mikhak)

* remotes/lorenzo/pci/endpoint:
  PCI: endpoint: Clear BAR before freeing its space
  PCI: endpoint: Skip odd BAR when skipping 64bit BAR
  PCI: endpoint: Allocate enough space for fixed size BAR
  PCI: endpoint: Set endpoint controller pointer to NULL