s390x: initialize cpu firstly

By initializing the CPU firstly, we are able to retrieve and use the
CPU model features when initializing other subsystem or devices.

Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

hw/s390x/s390-virtio-ccw.c

@@ -122,6 +122,9 @@ static void ccw_init(MachineState *machine)
     s390_sclp_init();
     s390_memory_init(machine->ram_size);
 
+    /* init CPUs */
+    s390_init_cpus(machine);
+
     s390_flic_init();
 
     /* get a BUS */
@@ -138,9 +141,6 @@ static void ccw_init(MachineState *machine)
     /* register hypercalls */
     virtio_ccw_register_hcalls();
 
-    /* init CPUs */
-    s390_init_cpus(machine);
-
     if (kvm_enabled()) {
         kvm_s390_enable_css_support(s390_cpu_addr2state(0));
     }