kernel: precise trigger timing of post-fs-data (#118)

* kernel: add report_event cmd

* ksud: report event

* kernel: trigger on_post_fs_data

* ksud: comment unused code

* [skip ci] run clang-format

Signed-off-by: Ylarod <me@ylarod.cn>

* ci: use custom key to sign official bootimgs

* format ksud

* reject non root

* remove

Signed-off-by: Ylarod <me@ylarod.cn>

userspace/ksud/src/defs.rs

@@ -14,4 +14,4 @@ pub const MODULE_UPDATE_TMP_DIR: &str = concatcp!(WORKING_DIR, "modules_update/"
 
 pub const DISABLE_FILE_NAME: &str = "disable";
 pub const UPDATE_FILE_NAME: &str = "update";
-pub const REMOVE_FILE_NAME: &str = "remove";
+pub const REMOVE_FILE_NAME: &str = "remove";