hid.mitm: disable by default

stratosphere/ams_mitm/source/set_mitm/settings_sd_kvs.cpp

@@ -346,6 +346,12 @@ namespace ams::settings::fwdbg {
             /* If you do not know what you are doing, do not touch this yet. */
             R_ASSERT(ParseSettingsItemValue("atmosphere", "fsmitm_redirect_saves_to_sd", "u8!0x0"));
 
+            /* Controls whether to enable the deprecated hid mitm */
+            /* to fix compatibility with old homebrew. */
+            /* 0 = Do not enable, 1 = Enable. */
+            /* Please note this setting may be removed in a future release of Atmosphere. */
+            R_ASSERT(ParseSettingsItemValue("atmosphere", "enable_deprecated_hid_mitm", "u8!0x0"));
+
             /* Hbloader custom settings. */
 
             /* Controls the size of the homebrew heap when running as applet. */