[AGPGART] Intel I875P support.

From Matt Tolentino.

drivers/char/agp/intel-agp.c

@@ -1382,6 +1382,10 @@ static int __init agp_intel_probe(struct pci_dev *pdev,
 		}
 		name = "865";
 		break;
+	case PCI_DEVICE_ID_INTEL_82875_HB:
+		bridge->driver = &intel_845_driver;
+		name = "i875";
+		break;
 	case PCI_DEVICE_ID_INTEL_7505_0:
 		bridge->driver = &intel_7505_driver;
 		name =  "E7505";

include/linux/pci_ids.h

@@ -1904,6 +1904,8 @@
 #define PCI_DEVICE_ID_INTEL_82845G_IG	0x2562
 #define PCI_DEVICE_ID_INTEL_82865_HB	0x2570
 #define PCI_DEVICE_ID_INTEL_82865_IG	0x2572
+#define PCI_DEVICE_ID_INTEL_82875_HB	0x2578
+#define PCI_DEVICE_ID_INTEL_82875_IG	0x257b
 #define PCI_DEVICE_ID_INTEL_82855PM_HB	0x3340
 #define PCI_DEVICE_ID_INTEL_82830_HB	0x3575
 #define PCI_DEVICE_ID_INTEL_82830_CGC	0x3577