UBI: fix and re-work debugging stuff

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index d9af11a..05fb72f 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -371,7 +371,7 @@
 	 *    to LEB 0.
 	 */
 
-	dbg_msg("check layout volume");
+	dbg_gen("check layout volume");
 
 	/* Read both LEB 0 and LEB 1 into memory */
 	ubi_rb_for_each_entry(rb, seb, &sv->root, u.rb) {