[libata] constify PCI ID table in several drivers
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 9edc9d9..242d906 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -193,7 +193,7 @@
 	},
 };
 
-static struct pci_device_id pdc_ata_pci_tbl[] = {
+static const struct pci_device_id pdc_ata_pci_tbl[] = {
 	{ PCI_VENDOR_ID_PROMISE, 0x3371, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_2037x },
 	{ PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,