PCI: Fix pcie_port_device_resume() comment

The function comment claimed this was pcie_port_device_suspend(), but it's
really pcie_port_device_resume().  Perils of cut and paste.

Use the correct function name in the comment.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/pci/pcie/portdrv_core.c

@@ -448,7 +448,7 @@ static int resume_iter(struct device *dev, void *data)
 }
 
 /**
- * pcie_port_device_suspend - resume port services associated with a PCIe port
+ * pcie_port_device_resume - resume port services associated with a PCIe port
  * @dev: PCI Express port to handle
  */
 int pcie_port_device_resume(struct device *dev)