Mount temp dir at /debug_ramdisk (#1226)

userspace/ksud/src/defs.rs

@@ -25,6 +25,8 @@ pub const MODULE_UPDATE_TMP_IMG: &str = concatcp!(WORKING_DIR, "update_tmp.img")
 // warning: this directory should not change, or you need to change the code in module_installer.sh!!!
 pub const MODULE_UPDATE_TMP_DIR: &str = concatcp!(ADB_DIR, "modules_update/");
 
+pub const TEMP_DIR: &str = "/debug_ramdisk/";
+
 pub const DISABLE_FILE_NAME: &str = "disable";
 pub const UPDATE_FILE_NAME: &str = "update";
 pub const REMOVE_FILE_NAME: &str = "remove";