OFI: Fix misleading component selection debug output.

* Make explicit that a provider's NIC is displayed.
* Normalize naming convention in debug output.

Signed-off-by: Samuel K. Gutierrez <samuel@lanl.gov>

Author: samuelkgutierrez

ompi/mca/mtl/ofi/mtl_ofi_component.c

@@ -6,7 +6,7 @@
  * Copyright (c) 2015-2016 Los Alamos National Security, LLC.  All rights
  *                         reserved.
  * Copyright (c) 2018      Amazon.com, Inc. or its affiliates.  All Rights reserved.
- * Copyright (c) 2020      Triad National Security, LLC. All rights
+ * Copyright (c) 2020-2021 Triad National Security, LLC. All rights
  *                         reserved.
  * $COPYRIGHT$
  *
@@ -340,7 +340,7 @@ select_ofi_provider(struct fi_info *providers,
     }
 
     opal_output_verbose(1, opal_common_ofi.output,
-                        "%s:%d: mtl:ofi:prov: %s\n",
+                        "%s:%d: mtl:ofi:provider: %s\n",
                         __FILE__, __LINE__,
                         (prov ? prov->fabric_attr->prov_name : "none"));
 
@@ -365,7 +365,7 @@ select_ofi_provider(struct fi_info *providers,
     if (NULL != prov) {
         prov = opal_mca_common_ofi_select_provider(prov, &ompi_process_info);
         opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
-                            "%s:%d: mtl:ofi:provider: %s\n",
+                            "%s:%d: mtl:ofi:provider:nic: %s\n",
                             __FILE__, __LINE__,
                             (prov ? prov->domain_attr->name : "none"));
     }