drm/nouveau/kms: display destroy/init/fini hooks can be static

Swapped order of functions in dispnv04 to allow this, but no code changes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 3f618ed..07aee82 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2221,7 +2221,7 @@ nv50_disp_func = {
  * Init
  *****************************************************************************/
 
-void
+static void
 nv50_display_fini(struct drm_device *dev)
 {
 	struct nouveau_encoder *nv_encoder;
@@ -2243,7 +2243,7 @@ nv50_display_fini(struct drm_device *dev)
 	}
 }
 
-int
+static int
 nv50_display_init(struct drm_device *dev)
 {
 	struct nv50_core *core = nv50_disp(dev)->core;
@@ -2270,7 +2270,7 @@ nv50_display_init(struct drm_device *dev)
 	return 0;
 }
 
-void
+static void
 nv50_display_destroy(struct drm_device *dev)
 {
 	struct nv50_disp *disp = nv50_disp(dev);