drm/xe/pf: Disable VFs on remove

We shouldn't leave VFs enabled when unloading the PF driver.
Otherwise we will get a message like:

 [ ] xe 0000:4d:00.0: driver left SR-IOV enabled after remove
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240626111827.1389-2-michal.wajdeczko@intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_pci.c

@@ -748,6 +748,11 @@ static void xe_pci_remove(struct pci_dev *pdev)
 	if (!xe) /* driver load aborted, nothing to cleanup */
 		return;
 
+#ifdef CONFIG_PCI_IOV
+	if (IS_SRIOV_PF(xe))
+		xe_pci_sriov_configure(pdev, 0);
+#endif
+
 	xe_device_remove(xe);
 	xe_pm_runtime_fini(xe);
 	pci_set_drvdata(pdev, NULL);