PCI: Constify hotplug pci_device_id structures

pci_device_id are not supposed to change at runtime. All functions working
with pci_device_id provided by <linux/pci.h> work with const pci_device_id.
So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
[bhelgaas: squash shpchp, ibmphp, bmphp_ebda, cpcihp_zt5550, cpqphp]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/hotplug/cpcihp_zt5550.c

@@ -280,7 +280,7 @@ static void zt5550_hc_remove_one(struct pci_dev *pdev)
 }
 
 
-static struct pci_device_id zt5550_hc_pci_tbl[] = {
+static const struct pci_device_id zt5550_hc_pci_tbl[] = {
 	{ PCI_VENDOR_ID_ZIATECH, PCI_DEVICE_ID_ZIATECH_5550_HC, PCI_ANY_ID, PCI_ANY_ID, },
 	{ 0, }
 };

drivers/pci/hotplug/cpqphp_core.c

@@ -1417,7 +1417,7 @@ static void __exit unload_cpqphpd(void)
 		iounmap(smbios_start);
 }
 
-static struct pci_device_id hpcd_pci_tbl[] = {
+static const struct pci_device_id hpcd_pci_tbl[] = {
 	{
 	/* handle any PCI Hotplug controller */
 	.class =        ((PCI_CLASS_SYSTEM_PCI_HOTPLUG << 8) | 0x00),

drivers/pci/hotplug/ibmphp_core.c

@@ -852,7 +852,7 @@ static int set_bus(struct slot *slot_cur)
 	u8 speed;
 	u8 cmd = 0x0;
 	int retval;
-	static struct pci_device_id ciobx[] = {
+	static const struct pci_device_id ciobx[] = {
 		{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, 0x0101) },
 		{ },
 	};

drivers/pci/hotplug/ibmphp_ebda.c

@@ -1153,7 +1153,7 @@ void ibmphp_free_ebda_pci_rsrc_queue(void)
 	}
 }
 
-static struct pci_device_id id_table[] = {
+static const struct pci_device_id id_table[] = {
 	{
 		.vendor		= PCI_VENDOR_ID_IBM,
 		.device		= HPC_DEVICE_ID,

drivers/pci/hotplug/shpchp_core.c

@@ -351,7 +351,7 @@ static void shpc_remove(struct pci_dev *dev)
 	kfree(ctrl);
 }
 
-static struct pci_device_id shpcd_pci_tbl[] = {
+static const struct pci_device_id shpcd_pci_tbl[] = {
 	{PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0)},
 	{ /* end: all zeroes */ }
 };