misc: hpilo: constify pci_device_id.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/hpilo.c

@@ -857,7 +857,7 @@ out:
 	return error;
 }
 
-static struct pci_device_id ilo_devices[] = {
+static const struct pci_device_id ilo_devices[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_COMPAQ, 0xB204) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_HP, 0x3307) },
 	{ }