Who exactly is going to manufacture?
Although somewhat premature, there is no clear delineation, not only does the OpenPOWER Foundation sport many suitable candidates, initial FlashSystem iterations incorporated SLC from Toshiba, then moved to eMLC in collaboration with Micron to create FlashCore Technology of which the Micron variant is called FortisGate.
So just because 3D+P is a joint Intel/Micron thing doesn't necessarily rule Micron out of the equation, as your sister publication reports Micron is free to sell 3D+P to whomever, I don't see Micron as the type of company to cut off it's nose to spite it's face, it's in the business of selling memory.