i386/cpu: use get_uint() for "min-level"/"min-xlevel" properties

These are properties of TYPE_X86_CPU, defined with DEFINE_PROP_UINT32()
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-40-marcandre.lureau@redhat.com>
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>

target/i386/cpu.c

@@ -2324,8 +2324,8 @@ static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
      */
 
     /* CPU models only set _minimum_ values for level/xlevel: */
-    object_property_set_int(OBJECT(cpu), def->level, "min-level", errp);
-    object_property_set_int(OBJECT(cpu), def->xlevel, "min-xlevel", errp);
+    object_property_set_uint(OBJECT(cpu), def->level, "min-level", errp);
+    object_property_set_uint(OBJECT(cpu), def->xlevel, "min-xlevel", errp);
 
     object_property_set_int(OBJECT(cpu), def->family, "family", errp);
     object_property_set_int(OBJECT(cpu), def->model, "model", errp);