cn_speech_commands_recognition编译错误

[hnhkj2020]

CC build/lwip/port/esp32/netif/wlanif.o
CC build/lwip/port/esp32/debug/lwip_debug.o
AR build/lwip/liblwip.a
CC build/main/main.o
/root/esp-skainet/examples/cn_speech_commands_recognition/main/main.c:20:10: fatal error: esp_board_init.h: No such file or directory
#include "esp_board_init.h"
^~~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [/root/esp-skainet/esp-idf/make/component_wrapper.mk:298: main.o] Error 1
make: *** [/root/esp-skainet/esp-idf/make/project.mk:649: component-main-build] Error 2
root@9501bd4c2528:~/esp-skainet/examples/cn_speech_commands_recognition# git branch -a

[hnhkj2020]

5aec971 (HEAD -> dev/2.0, origin/dev/2.0) bugfix(doc): Remove incorrect board information