Eurogamer: Nintendo NX is a portable console with detachable controllers (It also connects to your TV, and runs cartridges)

[Soundwave]

Boasting about design wins is kind of a new thing, in the past AMD never boasted about the Wii or Wii U design wins, Pica never did for the 3DS, so I doubt Nintendo allows any of their vendors to talk/hint about any of their business with Nintendo beforehand.