I concur with Csomi. The latest commit appears to have worked here for me. The spdif and i2s resources are now mapped as expected. Here are the steps I took:
git clone https://github.com/analogdevicesinc/hdl.git
cd hdl
git checkout b59549053c9212adba1384dd8cf2245c622d7c52
gedit projects/scripts/adi_project.tcl
<changed xc7z045ffg900-2 to xc7z100ffg900-2>
cd library
make
<correct component.xml in spdif_axi_tx, spdif_axi_rx and axi_i2s_adi folders as done previously>
cd ..
make fmcomms2.mitx045
And here's what I got: