Fix a typo in parsing locality string: L0 changed to L1

(`prte_hwloc_base_get_locality_string` never returns locality string with L0).

Signed-off-by: Mikhail Kurnosov <mkurnosov@gmail.com>

opal/mca/hwloc/base/hwloc_base_util.c

@@ -1325,7 +1325,7 @@ char* opal_hwloc_base_get_location(char *locality,
             } else if (2 == index) {
                 srch = "L2";
             } else {
-                srch = "L0";
+                srch = "L1";
             }
             break;
 #else
@@ -1336,7 +1336,7 @@ char* opal_hwloc_base_get_location(char *locality,
             srch = "L2";
             break;
         case HWLOC_OBJ_L1CACHE:
-            srch = "L0";
+            srch = "L1";
             break;
 #endif
         case HWLOC_OBJ_CORE: