bug 1130090: Set up new builds on larch - enable linux64 graphene builds on larch. r=jlund
bug 1130090: Set up new builds on larch - enable linux64 graphene builds on larch. r=jlund

mozilla/build-mozharness,armenzg/build-mozharness,lissyx/build-mozharness,walac/build-mozharness,mozilla/build-mozharness,lissyx/build-mozharness,armenzg/build-mozharness,walac/build-mozharness