hw/s390x: Rename 2.13 machines to 3.0

Rename the 2.13 machines to match the number we're going to
use for the next release.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NCornelia Huck <cohuck@redhat.com>
Reviewed-by: NThomas Huth <thuth@redhat.com>
Message-id: 20180522104000.9044-4-peter.maydell@linaro.org

hw/s390x/s390-virtio-ccw.c

@@ -812,23 +812,23 @@ bool css_migration_enabled(void)
             .value    = "0",\
         },
 
-static void ccw_machine_2_13_instance_options(MachineState *machine)
+static void ccw_machine_3_0_instance_options(MachineState *machine)
 {
 }
 
-static void ccw_machine_2_13_class_options(MachineClass *mc)
+static void ccw_machine_3_0_class_options(MachineClass *mc)
 {
 }
-DEFINE_CCW_MACHINE(2_13, "2.13", true);
+DEFINE_CCW_MACHINE(3_0, "3.0", true);
 
 static void ccw_machine_2_12_instance_options(MachineState *machine)
 {
-    ccw_machine_2_13_instance_options(machine);
+    ccw_machine_3_0_instance_options(machine);
 }
 
 static void ccw_machine_2_12_class_options(MachineClass *mc)
 {
-    ccw_machine_2_13_class_options(mc);
+    ccw_machine_3_0_class_options(mc);
     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12);
 }
 DEFINE_CCW_MACHINE(2_12, "2.12", false);