Hi there,
I believe that the zip file for "The Cadence Capture format schematic drawings for the TMS570LS31x HDK" on your wiki page is not the right one. It refers to a PDF file of the RM48 chip.
http://processors.wiki.ti.com/index.php/TMS570LS31x_HDK_Kit#HDK_Board_Schematic
Thank you for correcting the link to the right file.
Regards.