efuse: Enable C++ linkage for the include headers on esp_efuse.h
efuse: Enable C++ linkage for the include headers on esp_efuse.h

Signed-off-by: Gustavo Henrique Nihei <42b1270cfd1a4f11d4db08d9d441d5d8452cd3b6@espressif.com>

espressif/esp-idf,espressif/esp-idf,espressif/esp-idf,espressif/esp-idf