update zh-cn/device-dev/porting/porting-chip-board-bundle.md.

Signed-off-by: N Austin23 <liaozhiqi7@huawei.com>

update zh-cn/device-dev/porting/porting-chip-board-bundle.md.
Signed-off-by: N Austin23 <liaozhiqi7@huawei.com>
07b8a8a7 · Austin · Gitee · 3ca01834 · 07b8a8a7
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zh-cn/device-dev/porting/porting-chip-board-bundle.md zh-cn/device-dev/porting/porting-chip-board-bundle.md +1 -1

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--- a/zh-cn/device-dev/porting/porting-chip-board-bundle.md
+++ b/zh-cn/device-dev/porting/porting-chip-board-bundle.md
@@ -10,7 +10,7 @@
   1. 拷贝include/mbedtls/config.h到ports目录下，并修改打开MBEDTLS_ENTROPY_HARDWARE_ALT开关。
   2. 在ports目录下创建entropy_poll_alt.c文件include并实现entropy_poll.h中的硬件随机数接口
   3. 在BUILD.gn中的mbedtls_sources中增加刚才适配的entropy_poll_alt.c的路径
-   4. 在BIULD.gn中的lite_library("mbedtls_static")中增加一行MBEDTLS_CONFIG_FILE指定新配置文件的位置
+   4. 在BUILD.gn中的lite_library("mbedtls_static")中增加一行MBEDTLS_CONFIG_FILE指定新配置文件的位置
         
       ```
       lite_library("mbedtks_static") {