Not sure why you are having issues with UIO sebraa, looks like you enabled the right modules in config and supplied correct kernel cmdline. I have been able to use uio driver using 2016.3 release. I also tried to enable synz fpga module, but it fails to load with some error, I haven't investigated further. Instead I switched to Xilinx version of the Linux Kernel. It was relatively straightforward to copy Epiphany driver over. I have made a patch and build script:
https://github.com/Kirill888/parallella ... ter/kernel
Tested on 7010 parallella, xdevcfg works and epiphany driver also seems to work, but I didn't test it rigorously, just ran some sample apps.