hw/intc/loongson_ipi: Declare QOM types using DEFINE_TYPES() macro

When multiple QOM types are registered in the same file,
it is simpler to use the the DEFINE_TYPES() macro. Replace
the type_init() / type_register_static() combination.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20240718133312.10324-2-philmd@linaro.org>
diff --git a/hw/intc/loongson_ipi.c b/hw/intc/loongson_ipi.c
index 4013f81..682cec9 100644
--- a/hw/intc/loongson_ipi.c
+++ b/hw/intc/loongson_ipi.c
@@ -365,16 +365,13 @@
     dc->vmsd = &vmstate_loongson_ipi;
 }
 
-static const TypeInfo loongson_ipi_info = {
-    .name          = TYPE_LOONGSON_IPI,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(LoongsonIPI),
-    .class_init    = loongson_ipi_class_init,
+static const TypeInfo loongson_ipi_types[] = {
+    {
+        .name               = TYPE_LOONGSON_IPI,
+        .parent             = TYPE_SYS_BUS_DEVICE,
+        .instance_size      = sizeof(LoongsonIPI),
+        .class_init         = loongson_ipi_class_init,
+    }
 };
 
-static void loongson_ipi_register_types(void)
-{
-    type_register_static(&loongson_ipi_info);
-}
-
-type_init(loongson_ipi_register_types)
+DEFINE_TYPES(loongson_ipi_types)