Change clang libraries to be PRIVATE in target_link_libraries for libHalide to match LLVM ones.
Change clang libraries to be PRIVATE in target_link_libraries for
libHalide to match LLVM ones.

psuriana/Halide,psuriana/Halide,ronen/Halide,kgnk/Halide,jiawen/Halide,tdenniston/Halide,jiawen/Halide,ronen/Halide,psuriana/Halide,ronen/Halide,jiawen/Halide,psuriana/Halide,jiawen/Halide,tdenniston/Halide,jiawen/Halide,jiawen/Halide,ronen/Halide,tdenniston/Halide,jiawen/Halide,psuriana/Halide,psuriana/Halide,kgnk/Halide,ronen/Halide,ronen/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,tdenniston/Halide,kgnk/Halide,psuriana/Halide,ronen/Halide,tdenniston/Halide,tdenniston/Halide,ronen/Halide,tdenniston/Halide,tdenniston/Halide