restore latency tester feature

software/sys_controller/src/menu.c

@@ -222,7 +222,7 @@ MENU(menu_postproc, P99_PROTECT({ \
     { "Sh. mask strength",                       OPT_AVCONFIG_NUMVALUE,  { .num = { &tc.shmask_str,  OPT_NOWRAP, 0, SCANLINESTR_MAX, sl_str_disp } } },
     { "Border color",                            OPT_AVCONFIG_SELECTION, { .sel = { &tc.mask_color,  OPT_NOWRAP,   SETTING_ITEM(mask_color_desc) } } },
     { LNG("Border brightn.","ﾏｽｸｱｶﾙｻ"),           OPT_AVCONFIG_NUMVALUE,  { .num = { &tc.mask_br,     OPT_NOWRAP, 0, HV_MASK_MAX_BR, value_disp } } },
-    //{ LNG("<DIY lat. test>","DIYﾁｴﾝﾃｽﾄ"),         OPT_FUNC_CALL,          { .fun = { latency_test, &lt_arg_info } } },
+    { LNG("<DIY lat. test>","DIYﾁｴﾝﾃｽﾄ"),         OPT_FUNC_CALL,          { .fun = { latency_test, &lt_arg_info } } },
 }))
 
 MENU(menu_compatibility, P99_PROTECT({ \