message: Add check to ensure that files in tensorflow/lite/micro have proper license.
  Fixes
diff: @@ -33,6 +33,36 @@ if [ -d tensorflow/lite/micro/tools/make/downloads ]; then
  exit 1
  fi
  +# explicitly call third_party_downloads since we need pigweed for the license
  +# and clang-format checks.
  +make -f tensorflow/lite/micro/tools/make/Makefile third_party_downloads
  +
  +# Check for license with the necessary exclusions.
  +tensorflow/lite/micro/tools/make/downloads/pigweed/pw_presubmit/py/pw_presubmit/pigweed_presubmit.py \
  + tensorflow/lite/micro \
  + -p copyright_notice \
  + -e micro/tools/make/targets/ecm3531 \
  + -e BUILD\
  + -e leon_commands \
  + -e Makefile \
  + -e "\.bzl" \
  + -e "\.cmd" \
  + -e "\.cmd" \
  + -e "\.conf" \
  + -e "\.defaults" \
  + -e "\.h5" \
  + -e "\.ipynb" \
  + -e "\.inc" \
  + -e "\.lcf" \
  + -e "\.ld" \
  + -e "\.lds" \
  + -e "\.projbuild" \
  + -e "\.properties" \
  + -e "\.resc" \
  + -e "\.robot" \
  + -e "\.txt" \
  + -e "\.tpl" \
  + --output-directory /tmp
  # We are moving away from having the downloads and installations be part of the
  # Makefile. As a result, we need to manually add the downloads in this script.
  