Small refactoring in CMakeLists
Small refactoring in CMakeLists

Maratyszcza/NNPACK,microblink/NNPACK,Maratyszcza/NNPACK,microblink/NNPACK,Maratyszcza/NNPACK,microblink/NNPACK,Maratyszcza/NNPACK,microblink/NNPACK