Detect openmp::openmp target correctly when deciding on default mkl threading layer
Detect openmp::openmp target correctly when deciding on default mkl threading layer


Former-commit-id: d24d9e71fd3cbe9cbc8156235633dec4c87735e2
DavidAce/DMRG,DavidAce/DMRG,DavidAce/DMRG,DavidAce/DMRG