Run "brew update" before installing avr-gcc

As suggested by:
https://github.com/osx-cross/homebrew-avr/issues/205#issuecomment-760637996
1 file changed
tree: e433d6e7a534e076406fd54878a677855b4fbebe
  1. .github/
  2. docker/
  3. testlist/
  4. .asf.yaml
  5. cibuild.sh
  6. README.md
README.md

incubator-nuttx-testing