docker: fix location of FEIN e.V. repo

3 jobs for refactoring in 3 minutes and 7 seconds (queued for 1 second)
Status Job ID Name Coverage
  Prepare
passed #871431
linux shell
docker-dev

00:02:20

 
  Build
failed #871432
docker
build:source

00:00:47

 
  Test
skipped #871433
cuda villas-fpga allowed to fail
test:unit
 
Name Stage Failure
failed
build:source Build
  /usr/share/cmake3/Modules/FindPackageHandleStandardArgs.cmake:445 (_FPHSA_FAILURE_MESSAGE)
/usr/share/cmake3/Modules/FindOpenSSL.cmake:450 (find_package_handle_standard_args)
common/CMakeLists.txt:56 (find_package)


-- Configuring incomplete, errors occurred!
See also "/builds/acs/public/villas/fpga/fpga/build/CMakeFiles/CMakeOutput.log".
See also "/builds/acs/public/villas/fpga/fpga/build/CMakeFiles/CMakeError.log".
ERROR: Job failed: exit code 1