better support of pml/cm for mxm

This commit was SVN r25113.

ompi/mca/pml/cm/pml_cm_component.c

@@ -155,9 +155,10 @@ mca_pml_cm_component_init(int* priority,
     if (OMPI_SUCCESS != ret) { 
         *priority = -1;
         return NULL;
-    } else if(strcmp(ompi_mtl_base_selected_component->mtl_version.mca_component_name, "psm") == 0) {
+    } else if((strcmp(ompi_mtl_base_selected_component->mtl_version.mca_component_name, "psm") == 0) ||
+              (strcmp(ompi_mtl_base_selected_component->mtl_version.mca_component_name, "mxm") == 0)) {
         /*
-         * If MTL is PSM then up our priority
+         * If MTL is PSM or MXM then up our priority
          * For every other communication layer having MTLs and BTLs, the user/admin
          * may still select PML/ob1 (BTLs) or PML/cm (MTLs) if preferable for the app/site.
          */