[jonny_eh]

But why is that in this new timeline? Was there a line in there about Eric Bana bringing it back from the future? I thought Scottie just invented it.

[Steko]

Scotty & Spock figured it out near the post-TNG timeframe and future Spock gives reboot Scott the solution.

Just as an aside there's a hilarious Cracked post about how transwarp beaming obsoletes the Enterprise.