ocl: updated Makefile (#681) #1272

Job	Run time
build-on-cuda (OPENMP=ON)	11m 48s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, openmpi)	8m 23s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, mpich)	7m 25s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, openmpi)	7m 35s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, mpich)	7m 39s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, openmpi)	6m 42s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, mpich)	5m 24s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, openmpi)	6m 26s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, mpich)	4m 11s
build-and-test (MPI=OFF, OPENMP=ON, SMM=blas, openmpi)	7m 22s
build-and-test (MPI=OFF, OPENMP=ON, SMM=libxsmm, openmpi)	7m 5s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=blas, openmpi)	5m 42s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=libxsmm, openmpi)	4m 1s
build-on-opencl (OPENMP=ON, SMM=libxsmm)	11m 47s
build-on-rocm (OPENMP=ON)	17m 34s
pre-commit	1m 21s
Combine & check coverage.	45s
	2h 1m 10s

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