finalize Lumacode support

software/sys_controller/inc/menu.h

@@ -87,19 +87,20 @@ typedef struct {
 
 typedef struct {
     func_call f;
-    const arg_info_t *arg_info;
+    const arg_info_t *arg_info; // must be at 4byte offset
 } opt_func_call;
 
 typedef struct menustruct menu_t;
 
 typedef struct {
     const menu_t *menu;
-    const arg_info_t *arg_info;
+    const arg_info_t *arg_info; // must be at 4byte offset
     arg_func arg_f;
 } opt_submenu;
 
 typedef struct {
     cstm_disp_func cstm_f;
+    const arg_info_t *arg_info; // must be at 4byte offset
 } opt_custommenu;
 
 typedef struct {