PCI: pciehp: Cleanup whitespace

Minor whitespace cleanup; no functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --cc drivers/pci/hotplug/pciehp_acpi.c
Simple merge

diff --cc drivers/pci/hotplug/pciehp_core.c
Simple merge

diff --cc drivers/pci/hotplug/pciehp_ctrl.c
Simple merge