cpus: properly inititalize CPU > 1 under single-threaded TCG

All but the first CPU are currently not fully inititalized (e.g.
cpu->created is never set).

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180209195239.16048-2-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

cpus.c

@@ -1863,6 +1863,9 @@ static void qemu_tcg_init_vcpu(CPUState *cpu)
         /* For non-MTTCG cases we share the thread */
         cpu->thread = single_tcg_cpu_thread;
         cpu->halt_cond = single_tcg_halt_cond;
+        cpu->thread_id = first_cpu->thread_id;
+        cpu->can_do_io = 1;
+        cpu->created = true;
     }
 }