CMake: fix few bugs in configuration scripts
CMake: fix few bugs in configuration scripts

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