pci-v4.8-fixes-1

  Resource management
    Update "pci=resource_alignment" documentation (Mathias Koehrer)

  MSI
    Use positive flags in pci_alloc_irq_vectors() (Christoph Hellwig)
    Call pci_intx() when using legacy interrupts in pci_alloc_irq_vectors() (Christoph Hellwig)

  Intel VMD host bridge driver
    Fix infinite loop executing irq's (Keith Busch)