device: Make pci_dev_ops_pci structure global

This patch makes pci_dev_ops_pci structure global so that
caller can make use of this structure using extern.

Change-Id: I8de919aacccbc062475fb04f59ffb4957d3460b9
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/22814
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index 3d23671..ffc679f 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -734,7 +734,7 @@
 }
 
 /** Default device operation for PCI devices */
-static struct pci_operations pci_dev_ops_pci = {
+struct pci_operations pci_dev_ops_pci = {
 	.set_subsystem = pci_dev_set_subsystem,
 };
 
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index bc7fada..5eb6a4a 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -66,7 +66,8 @@
 /** end of compile time generated pci driver array */
 extern struct pci_driver _epci_drivers[];
 
-
+/* Set Subsystem ID operation for PCI devices */
+extern struct pci_operations pci_dev_ops_pci;
 extern struct device_operations default_pci_ops_dev;
 extern struct device_operations default_pci_ops_bus;