ECPSCMGERRIT-8 adding gerrit to main makefile
ECPSCMGERRIT-8 adding gerrit to main makefile

[git-p4: depot-paths = "//depot/nimbus/integrations/EC-Gerrit/main/": change = 49088]

electric-cloud/EC-Gerrit,electric-cloud/EC-Gerrit,electric-cloud/EC-Gerrit