Tests: Update CUDA tests to work with Clang

Tests/Cuda/CMakeLists.txt

Tests/Cuda/ProperLinkFlags/CMakeLists.txt

Tests/CudaOnly/CMakeLists.txt

Tests/CudaOnly/CompileFlags/CMakeLists.txt

Tests/CudaOnly/CompileFlags/main.cu

Tests/CudaOnly/ExportPTX/CMakeLists.txt

Tests/CudaOnly/GPUDebugFlag/CMakeLists.txt

Tests/CudaOnly/WithDefs/CMakeLists.txt

Tests/CudaOnly/WithDefs/main.notcu

Tests/RunCMake/CMP0104/CMP0104-WARN.cmake

Tests/RunCMake/NinjaMultiConfig/RunCMakeTest.cmake

Tests/RunCMake/target_link_options/RunCMakeTest.cmake