target/ppc: Set instance_align on PowerPCCPU TypeInfo

Fix alignment of CPUPPCState.vsr.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20200916004638.2444147-5-richard.henderson@linaro.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

target/ppc/translate_init.c.inc

@@ -10960,6 +10960,7 @@ static const TypeInfo ppc_cpu_type_info = {
     .name = TYPE_POWERPC_CPU,
     .parent = TYPE_CPU,
     .instance_size = sizeof(PowerPCCPU),
+    .instance_align = __alignof__(PowerPCCPU),
     .instance_init = ppc_cpu_instance_init,
     .instance_finalize = ppc_cpu_instance_finalize,
     .abstract = true,