ocl: fixed parsing list of allowed device #1370

Job	Run time
build-on-cuda (OPENMP=ON)	14m 6s
pre-commit	1m 25s
build-on-opencl (OPENMP=ON, SMM=libxsmm)	11m 13s
build-on-rocm (OPENMP=ON)	11m 54s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, openmpi)	8m 40s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, mpich)	6m 31s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, openmpi)	9m 5s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, mpich)	6m 27s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, openmpi)	4m 28s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, mpich)	4m 1s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, openmpi)	4m 14s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, mpich)	5m 57s
build-and-test (MPI=OFF, OPENMP=ON, SMM=blas, openmpi)	9m 4s
build-and-test (MPI=OFF, OPENMP=ON, SMM=libxsmm, openmpi)	10m 23s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=blas, openmpi)	4m 8s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=libxsmm, openmpi)	3m 53s
Combine & check coverage.	1m 50s
	1h 57m 19s

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