Also brings it closer to building again. Currently fails with:
```
CMake Error at platforms/scripts/cmake_install.cmake:54 (file):
file INSTALL cannot find "/build/source/build/bin/afu_platform_config": No
such file or directory.
Call Stack (most recent call first):
platforms/cmake_install.cmake:55 (include)
cmake_install.cmake:58 (include)
make: *** [Makefile:120: install] Error 1
```
OPAE is a software toolchain and for integration and use of programmable
accelerators, currently supporting Intel Arria 10 and Stratix 10 FPGAs.
This package only contains the userspace software SDK tools and C
libraries -- not the OPAE Linux drivers.
Signed-off-by: Austin Seipp <aseipp@pobox.com>