cpus: Keep default fields initialization in cpu_common_initfn()

cpu_common_initfn() is our target agnostic initializer,
while cpu_exec_initfn() is the target specific one.

The %as and %num_ases fields are not target specific,
so initialize them in the common helper.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-6-philmd@linaro.org>

cpu-target.c

@@ -234,9 +234,6 @@ void cpu_class_init_props(DeviceClass *dc)
 
 void cpu_exec_initfn(CPUState *cpu)
 {
-    cpu->as = NULL;
-    cpu->num_ases = 0;
-
 #ifndef CONFIG_USER_ONLY
     cpu->memory = get_system_memory();
     object_ref(OBJECT(cpu->memory));

hw/core/cpu-common.c

@@ -244,6 +244,8 @@ static void cpu_common_initfn(Object *obj)
     gdb_init_cpu(cpu);
     cpu->cpu_index = UNASSIGNED_CPU_INDEX;
     cpu->cluster_index = UNASSIGNED_CLUSTER_INDEX;
+    cpu->as = NULL;
+    cpu->num_ases = 0;
     /* user-mode doesn't have configurable SMP topology */
     /* the default value is changed by qemu_init_vcpu() for system-mode */
     cpu->nr_threads = 1;