Updated circle.yml with proper submodule commands
Updated circle.yml with proper submodule commands

rahulmutt/ghcvm,pparkkin/eta,AlexeyRaga/eta,pparkkin/eta,AlexeyRaga/eta,rahulmutt/ghcvm,AlexeyRaga/eta,pparkkin/eta,AlexeyRaga/eta,rahulmutt/ghcvm,AlexeyRaga/eta,pparkkin/eta,pparkkin/eta,rahulmutt/ghcvm,rahulmutt/ghcvm