forked from espressif/esp-idf
add ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE flag, make ethenret driver possible to work when cache disabled Closes https://github.com/espressif/esp-idf/issues/4406
add ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE flag, make ethenret driver possible to work when cache disabled Closes https://github.com/espressif/esp-idf/issues/4406