add susfs-dev branch files

kernel/ksud.h

@@ -0,0 +1,14 @@
+#ifndef __KSU_H_KSUD
+#define __KSU_H_KSUD
+
+#include <linux/types.h>
+
+#define KSUD_PATH "/data/adb/ksud"
+
+void ksu_on_post_fs_data(void);
+
+bool ksu_is_safe_mode(void);
+
+extern u32 ksu_devpts_sid;
+
+#endif