media: b2c2: 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: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/pci/b2c2/flexcop-pci.c

@@ -415,7 +415,7 @@ static void flexcop_pci_remove(struct pci_dev *pdev)
 	flexcop_device_kfree(fc_pci->fc_dev);
 }
 
-static struct pci_device_id flexcop_pci_tbl[] = {
+static const struct pci_device_id flexcop_pci_tbl[] = {
 	{ PCI_DEVICE(0x13d0, 0x2103) },
 	{ },
 };