nouveau: move the hotplug ignore to correct place.

Introduced in b440bde74f, however it was added to
the wrong function in nouveau.

https://bugzilla.kernel.org/show_bug.cgi?id=86011
Cc: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org  # v3.15+
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/nouveau/nouveau_drm.c

@@ -629,7 +629,6 @@ int nouveau_pmops_suspend(struct device *dev)
 
 	pci_save_state(pdev);
 	pci_disable_device(pdev);
-	pci_ignore_hotplug(pdev);
 	pci_set_power_state(pdev, PCI_D3hot);
 	return 0;
 }
@@ -933,6 +932,7 @@ static int nouveau_pmops_runtime_suspend(struct device *dev)
 	ret = nouveau_do_suspend(drm_dev, true);
 	pci_save_state(pdev);
 	pci_disable_device(pdev);
+	pci_ignore_hotplug(pdev);
 	pci_set_power_state(pdev, PCI_D3cold);
 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
 	return ret;