enable cube maps on radeon (#2241 on bugzilla). No vtxfmt code yet (just generates vfmt fallback). Code by Andreas Stenglein, some small adjustments by me.
diff --git a/docs/VERSIONS b/docs/VERSIONS
index 315fd3d..58ec9ed 100644
--- a/docs/VERSIONS
+++ b/docs/VERSIONS
@@ -1383,6 +1383,7 @@
 	- GL_EXT_timer_query extension
 	- r200: add support for GL_ATI_fragment_shader
 	- added fast XOR-mode line drawing optimization
+	- radeon: add support for all 3 tmus and cube maps
     Changes:
 	- removed GL_HP_occlusion_test (use GL_ARB_occlusion_query instead)
     Bug fixes: