drm: add savage driver

Add driver for savage chipsets.

From: Felix Kuehling
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig
index f31b970..56ace9d 100644
--- a/drivers/char/drm/Kconfig
+++ b/drivers/char/drm/Kconfig
@@ -96,3 +96,10 @@
 	  Choose this option if you have a Via unichrome or compatible video
 	  chipset. If M is selected the module will be called via.
 
+config DRM_SAVAGE
+	tristate "Savage video cards"
+	depends on DRM
+	help
+	  Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
+	  chipset. If M is selected the module will be called savage.
+