drm/xe/pf: Remove inlined #ifdef CONFIG_PCI_IOV

We can remove #ifdef CONFIG_PCI_IOV in .c files if we provide
dummy replacement of the xe_pci_sriov_configure() function.

Suggested-by: Jani Nikula <[e-mail]>
Signed-off-by: Michal Wajdeczko <[e-mail]>
Reviewed-by: Francois Dugast <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/xe/xe_pci.c

···
 	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);
···
 	.probe = xe_pci_probe,
 	.remove = xe_pci_remove,
 	.shutdown = xe_pci_shutdown,
-#ifdef CONFIG_PCI_IOV
 	.sriov_configure = xe_pci_sriov_configure,
-#endif
 #ifdef CONFIG_PM_SLEEP
 	.driver.pm = &xe_pm_ops,
 #endif

drivers/gpu/drm/xe/xe_pci_sriov.h

···
 
 struct pci_dev;
 
+#ifdef CONFIG_PCI_IOV
 int xe_pci_sriov_configure(struct pci_dev *pdev, int num_vfs);
+#else
+static inline int xe_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
+{
+	return 0;
+}
+#endif
 
 #endif