drm: export symbols for use by drivers

This just exports symbols for use in drivers.

From: Ian Romanick <idr@us.ibm.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c
index 10c8b4d..d413da0 100644
--- a/drivers/char/drm/drm_agpsupport.c
+++ b/drivers/char/drm/drm_agpsupport.c
@@ -459,6 +459,7 @@
 		return -EINVAL;
 	return agp_bind_memory(handle, start);
 }
+EXPORT_SYMBOL(drm_agp_bind_memory);
 
 /** Calls agp_unbind_memory() */
 int drm_agp_unbind_memory(DRM_AGP_MEM *handle)