Reduce driver not found to verbose message since it should not be critical to know this

rigs/kenwood/kenwood.c

@@ -974,7 +974,7 @@ int kenwood_open(RIG *rig)
         }
 
         /* driver mismatch */
-        rig_debug(RIG_DEBUG_ERR,
+        rig_debug(RIG_DEBUG_VERBOSE,
                   "%s: not the right driver apparently (found %u, asked for %d, checked %s)\n",
                   __func__, rig->caps->rig_model,
                   kenwood_id_string_list[i].model,
@@ -983,7 +983,7 @@ int kenwood_open(RIG *rig)
         // we continue to search for other matching IDs/models
     }
 
-    rig_debug(RIG_DEBUG_ERR,
+    rig_debug(RIG_DEBUG_VERBOSE,
               "%s: your rig (%s) did not match but we will continue anyways\n",
               __func__, id);