Update contributing file to reference ECA instead of CLA

Change-Id: I241d8997b522467e8aa5853c8de21fbd29b2fa18
1 file changed
tree: 40376d98eadac26e18fae4c8e0305b9dde4896a1
  1. CONTRIBUTING.md
  2. examples/
  3. features/
  4. parent/
  5. plugins/
  6. releng/
  7. tests/