target-ppc: Move alias lookup after class lookup

This moves aliases lookup after CPU class lookup. This is to let new generic
CPU to be found first if it is present and only if it is not (TCG case), use
aliases.
Signed-off-by: NAlexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: NAlexander Graf <agraf@suse.de>

target-ppc/translate_init.c

@@ -8218,12 +8218,6 @@ static ObjectClass *ppc_cpu_class_by_name(const char *name)
         }
     }
 
-    for (i = 0; ppc_cpu_aliases[i].alias != NULL; i++) {
-        if (strcmp(ppc_cpu_aliases[i].alias, name) == 0) {
-            return ppc_cpu_class_by_alias(&ppc_cpu_aliases[i]);
-        }
-    }
-
     list = object_class_get_list(TYPE_POWERPC_CPU, false);
     item = g_slist_find_custom(list, name, ppc_cpu_compare_class_name);
     if (item != NULL) {
@@ -8231,7 +8225,17 @@ static ObjectClass *ppc_cpu_class_by_name(const char *name)
     }
     g_slist_free(list);
 
-    return ret;
+    if (ret) {
+        return ret;
+    }
+
+    for (i = 0; ppc_cpu_aliases[i].alias != NULL; i++) {
+        if (strcmp(ppc_cpu_aliases[i].alias, name) == 0) {
+            return ppc_cpu_class_by_alias(&ppc_cpu_aliases[i]);
+        }
+    }
+
+    return NULL;
 }
 
 PowerPCCPU *cpu_ppc_init(const char *cpu_model)