Merge branch 'pci/hotplug'

- Simplify Attention Button logging (Bjorn Helgaas)

- Cancel bringup sequence if card is not present, to keep from blinking
  Power Indicator indefinitely (Rongguang Wei)

- Reassign bridge resources if necessary for ACPI hotplug (Igor Mammedov)

* pci/hotplug:
  PCI: acpiphp: Reassign resources on bridge if necessary
  PCI: pciehp: Cancel bringup sequence if card is not present
  PCI: pciehp: Simplify Attention Button logging