Update configuration.c with kiosk mode

added the kiosk_toggle bind

Author: Lhaete

configuration.c

@@ -344,6 +344,7 @@ const struct input_bind_map input_config_bind_map[RARCH_BIND_LIST_END_NULL] = {
    DECLARE_META_BIND(2, exit_emulator,         RARCH_QUIT_KEY,               MENU_ENUM_LABEL_VALUE_INPUT_META_QUIT_KEY),
 #endif
    DECLARE_META_BIND(2, close_content,         RARCH_CLOSE_CONTENT_KEY,      MENU_ENUM_LABEL_VALUE_INPUT_META_CLOSE_CONTENT_KEY),
+   DECLARE_META_BIND(2, kiosk_toggle,          RARCH_KIOSK_MODE,             MENU_ENUM_LABEL_VALUE_INPUT_META_KIOSK),
    DECLARE_META_BIND(2, reset,                 RARCH_RESET,                  MENU_ENUM_LABEL_VALUE_INPUT_META_RESET),
    DECLARE_META_BIND(1, toggle_fast_forward,   RARCH_FAST_FORWARD_KEY,       MENU_ENUM_LABEL_VALUE_INPUT_META_FAST_FORWARD_KEY),
    DECLARE_META_BIND(2, hold_fast_forward,     RARCH_FAST_FORWARD_HOLD_KEY,  MENU_ENUM_LABEL_VALUE_INPUT_META_FAST_FORWARD_HOLD_KEY),