intelfb: add i945GM support

Untested i945GM support just add the framework.

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index 2537880..73e1902 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -134,6 +134,12 @@
 		dinfo->mobile = 0;
 		dinfo->pll_index = PLLS_I9xx;
 		return 0;
+	case PCI_DEVICE_ID_INTEL_945GM:
+		dinfo->name = "Intel(R) 945GM";
+		dinfo->chipset = INTEL_945GM;
+		dinfo->mobile = 1;
+		dinfo->pll_index = PLLS_I9xx;
+		return 0;
 	default:
 		return 1;
 	}