v1.2.0

This pulls in a pending patch in Buildroot to update the version of
OpenSSL from 1.0.2 to 1.1.0h. This fixes what appears to be issues with
Erlang using OpenSSL engines. It also enables Erlang crypto algorithms
such as ed25519 that have been added in recent Erlang releases.

• Updated dependencies

  • nerves_system_br v1.6.5
  • Erlang 21.2.2
  • boardid 1.5.2
  • erlinit 1.4.9
  • OpenSSL 1.1.1a
  • libp11 0.4.9

• Enhancements

  • Moved boardid config from inside erlinit.config to /etc/boardid.config