drm/nouveau/drm/nouveau: s/nouveau_backlight_exit/nouveau_backlight_fini/

More consistent with the rest of the codebase, no functional changes
here.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_backlight.c

@@ -309,7 +309,7 @@ nouveau_backlight_init(struct drm_connector *connector)
 }
 
 void
-nouveau_backlight_exit(struct drm_connector *connector)
+nouveau_backlight_fini(struct drm_connector *connector)
 {
 	struct nouveau_connector *nv_conn = nouveau_connector(connector);
 	struct nouveau_backlight *bl = nv_conn->backlight;

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -898,7 +898,7 @@ nouveau_connector_late_register(struct drm_connector *connector)
 static void
 nouveau_connector_early_unregister(struct drm_connector *connector)
 {
-	nouveau_backlight_exit(connector);
+	nouveau_backlight_fini(connector);
 }
 
 static int

drivers/gpu/drm/nouveau/nouveau_connector.h

@@ -191,7 +191,7 @@ struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
 
 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
 extern int nouveau_backlight_init(struct drm_connector *);
-extern void nouveau_backlight_exit(struct drm_connector *);
+extern void nouveau_backlight_fini(struct drm_connector *);
 extern void nouveau_backlight_ctor(void);
 extern void nouveau_backlight_dtor(void);
 #else
@@ -202,7 +202,7 @@ nouveau_backlight_init(struct drm_connector *connector)
 }
 
 static inline void
-nouveau_backlight_exit(struct drm_connector *connector) {
+nouveau_backlight_fini(struct drm_connector *connector) {
 }
 
 static inline void