device/pci_ops: Drop parameter from pci_bus_default_ops()

A default is a build-time static value, fallback. Return
value does not depend of input parameter.

Change-Id: I43ae28f465fb46391519ec97a2a50891d458c46d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31679
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/arch/x86/pci_ops.c

@@ -16,7 +16,7 @@
 #include <device/device.h>
 #include <device/pci_ops.h>
 
-const struct pci_bus_operations *pci_bus_default_ops(struct device *dev)
+const struct pci_bus_operations *pci_bus_default_ops(void)
 {
 	return &pci_cf8_conf1;
 }