Or, look at a wing with a single aileron servo. Each aileron torque rod is linked to one side of the servo arm. You could do the same thing with two servos in the center of the wing, side by side, turning the same way, just with a one-arm servo arm. Or, you could move the servos out to mid-span of the wing. Same story.

As long as the linkages are attached to the outboard side of the servo arm, and the servos turn the same way, the ailerons work as intended.

Good luck,
Dave Olson