added sizedefinitions for QFN-56 EP5.6 (=Texas RTQ)
Created by: s-light
QFN-56-1EP_8x8mm_P0.5mm_EP5.6x5.6mm Texas RTQ (S-PVQFN-N56) based on http://www.ti.com/lit/ds/symlink/tlc5957.pdf#page=23&zoom=140,-151,778
optional TODO: change Pads to D-Shape (first needs script modification to create this custom Pad-Type)
Edited by Joel Guittet