update zh-cn/device-dev/driver/driver-platform-gpio-des.md.

Signed-off-by: Nli-yan339 <liyan339@h-partners.com>
Signed-off-by: Nliyan <liyan339@h-partners.com>

zh-cn/device-dev/driver/driver-platform-gpio-des.md

@@ -133,7 +133,7 @@ int32_t ret;
 
 ret = GpioSetDir(3, GPIO_DIR_OUT);    // 将3号GPIO管脚配置为输出
 if (ret != 0) {
-    HDF_LOGE("GpioSerDir: failed, ret %d\n", ret);
+    HDF_LOGE("GpioSetDir: failed, ret %d\n", ret);
     return ret;
 }
 ```