Fix FT232H VCCIO pin number

According to FT232H datasheet p.7 (http://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232H.pdf), VCCIO is assigned to 12th, 24th and 46th pins.
But one of VCCIO pin is assigned to 26th, which should be 46th pin.