updated docs

Signed-off-by: Nwusongqing <wusongqing@huawei.com>

en/device-dev/kernel/Readme-EN.md

 #  Kernel
 
-- [Kernel for the Mini System](kernel-mini.md)
+- [Kernel for Mini and Small Systems](kernel-lite.md)
+  - [Kernel for Mini Systems](kernel-lite-mini.md)
     - [Kernel Overview](kernel-mini-overview.md)
     - [Basic Kernel](kernel-mini-basic.md)
       - [Interrupt Management](kernel-mini-basic-interrupt.md)
@@ -52,14 +53,15 @@
         - [Memory Corruption Check](kernel-mini-memory-debug-cet.md)
       - [Exception Debugging](kernel-mini-memory-exception.md)
       - [Trace](kernel-mini-memory-trace.md)
-- [Appendix](kernel-mini-app.md)
+      - [LMS](kernel-mini-debug-lms.md)
+    - [Appendix](kernel-mini-app.md)
       - [Kernel Coding Specification](kernel-mini-appx-code.md)
       - [Basic Data Structure](kernel-mini-appx-data.md)
         - [Doubly Linked List](kernel-mini-appx-data-list.md)
       - [Standard Libraries](kernel-mini-appx-lib.md)
         - [CMSIS Support](kernel-mini-appx-lib-cmsis.md)
         - [POSIX Support](kernel-mini-appx-lib-posix.md)
-- [Kernel for the Small System](kernel-small.md)
+  - [Kernel for Small Systems](kernel-lite-small.md)
     - [Kernel Overview](kernel-small-overview.md)
     - [Kernel Startup](kernel-small-start.md)
       - [Startup in Kernel Space](kernel-small-start-kernel.md)
@@ -165,6 +167,8 @@
         - [Magic Key](kernel-small-debug-shell-magickey.md)
         - [User-Space Exception Information](kernel-small-debug-shell-error.md)
       - [Trace](kernel-small-debug-trace.md)
+      - [perf](kernel-small-debug-perf.md)
+      - [LMS](kernel-small-debug-lms.md)
       - [Process Commissioning](kernel-small-debug-process.md)
         - [CPUP](kernel-small-debug-process-cpu.md)
       - [Memory Debugging](kernel-small-debug-memory.md)
@@ -188,7 +192,7 @@
         - [Doubly Linked List](kernel-small-apx-dll.md)
         - [Bitwise Operation](kernel-small-apx-bitwise.md)
       - [Standard Library](kernel-small-apx-library.md)
-- [Kernel for the Standard System](kernel-standard.md)
+- [Kernel for Standard Systems](kernel-standard.md)
   - [Linux Kernel Overview](kernel-standard-overview.md)
   - [Applying Patches on OpenHarmony Development Boards](kernel-standard-patch.md)
   - [Guidelines for Building the Linux Kernel](kernel-standard-build.md)
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