qom: Make InterfaceInfo[] uses const

Mechanical change using:

  $ sed -i -E 's/\(InterfaceInfo.?\[/\(const InterfaceInfo\[/g' \
              $(git grep -lE '\(InterfaceInfo.?\[\]\)')

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250424194905.82506-7-philmd@linaro.org>
diff --git a/backends/dbus-vmstate.c b/backends/dbus-vmstate.c
index 8c2deef..7d5b58b 100644
--- a/backends/dbus-vmstate.c
+++ b/backends/dbus-vmstate.c
@@ -505,7 +505,7 @@
     .instance_size = sizeof(DBusVMState),
     .instance_finalize = dbus_vmstate_finalize,
     .class_init = dbus_vmstate_class_init,
-    .interfaces = (InterfaceInfo[]) {
+    .interfaces = (const InterfaceInfo[]) {
         { TYPE_USER_CREATABLE },
         { TYPE_VMSTATE_IF },
         { }