I've been on Trackman twice in my life and one showed me hitting upward by 1-2* and then another showed me downward by about -1*. It's not something I think about, just move the ball position and take the stroke you normally would with a driver. Now, if I was in a long drive competition then I would really focus on hitting up, but I think in general if you want to hit up, just move the ball position and rotate the plane line a little to the right. I think you can have a ton of right arm and still hit up on the driver. Take a look at Dustin Johnson's swing: