[Gameplay A24] - Give all civs rams.

To allow all civs to counter rams.
The rams are to be differentiated in future patches. This is kind of a placeholder to fix balancing.

Patch by: @Nescio
Differential revision: D2815
In favour: @badosu, @Feldfeld, @genava55, @ValihrAnt, @wraitii
Reservations: @borg-, @Imarok,