PCI: Provide pci_match_id() with CONFIG_PCI=n

This spares drivers from #ifdef-ing on CONFIG_PCI if the driver can be
optionally built on machines without PCI bus.

Consistent with acpi_driver_match_device() and similar.
Acked-by: NBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: NLubomir Rintel <lkundrak@v3.sk>
Signed-off-by: NMark Brown <broonie@kernel.org>

include/linux/pci.h

@@ -1702,6 +1702,10 @@ static inline int pci_irqd_intx_xlate(struct irq_domain *d,
 				      unsigned long *out_hwirq,
 				      unsigned int *out_type)
 { return -EINVAL; }
+
+static inline const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
+							 struct pci_dev *dev)
+{ return NULL; }
 #endif /* CONFIG_PCI */
 
 /* Include architecture-dependent settings and functions */