[AGPGART] Further constification.

Make agp_bridge_driver->aperture_sizes and ->masks const.
Also agp_bridge_data->driver

Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c
index 2e7c043..a2bb4ec 100644
--- a/drivers/char/agp/via-agp.c
+++ b/drivers/char/agp/via-agp.c
@@ -89,7 +89,7 @@
 }
 
 
-static struct aper_size_info_8 via_generic_sizes[9] =
+static const struct aper_size_info_8 via_generic_sizes[9] =
 {
 	{256, 65536, 6, 0},
 	{128, 32768, 5, 128},
@@ -170,7 +170,7 @@
 }
 
 
-static struct agp_bridge_driver via_agp3_driver = {
+static const struct agp_bridge_driver via_agp3_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= agp3_generic_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -194,7 +194,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver via_driver = {
+static const struct agp_bridge_driver via_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= via_generic_sizes,
 	.size_type		= U8_APER_SIZE,