update en/device-dev/kernel/kernel-mini-overview.md.

Signed-off-by: NAustin <liaozhiqi7@huawei.com>

en/device-dev/kernel/kernel-mini-overview.md

@@ -24,7 +24,7 @@ The CPU architecture includes two layers: general architecture definition layer
 | Header file name| los_<function>.h | los_arch_<function>.h |
 | Function name| Halxxxx | Halxxxx |
 
-LiteOS-M supports mainstream architectures, such as ARM Cortex-M3, ARM Cortex-M4, ARM Cortex-M7, ARM Cortex-M33, and RISC-V. If you need to expand the CPU architecture, see [Chip Architecture Adaptation](../porting/porting-chip-kernel-overview.md).
+LiteOS-M supports mainstream architectures, such as ARM Cortex-M3, ARM Cortex-M4, ARM Cortex-M7, ARM Cortex-M33, and RISC-V.
 
 
 ## Working Principles