drm/radeon/kms: add NI chip families

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 44cf0d7..e353430 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -82,6 +82,9 @@
 	"CYPRESS",
 	"HEMLOCK",
 	"PALM",
+	"BARTS",
+	"TURKS",
+	"CAICOS",
 	"LAST",
 };