Iwata says that Nintendo is thinking internally about what steps need to be taken to make NX region free. pic.twitter.com/IhTnLV4kqv— Kyle McLain (@FarmboyinJapan) May 10, 2015
Iwata also said that going region free on current Nintendo platforms isn't really an option. So no go for current platforms, but the future definitely has a chance.
Here's a more detailed look at what Iwata said...
Removing region-locking from current game machines presents various issues, so we don't consider that to be very realistic. However, regarding NX, given the customer feedback and proposals from the market, while nothing has been decided yet, we're currently investigating internally what problems there would be in realizing it. You can think of that as the current situation. I understand your desire, so I'd like to look at it optimistically going forward.