Apple’s upcoming iPhone 6 will come with its own mobile payment system, and the solution will use NFC, Wired reports. Use of near field communication has been rumored in the iPhone for years — speculation began around the time of the iPhone 4 in 2010, and every iPhone since has been accompanied by an NFC report that never came true. Talk about the use of NFC in the iPhone has heated up again in recent weeks, though considering the device’s…