CMake: Add LLVM_UTILS_INSTALL_DIR option
treec42750d8ba92a88321cd63cb6a7d3b063ddd6380
drwxr-xr-x - clang-tools-extra
drwxr-xr-x - clang
drwxr-xr-x - compiler-rt
drwxr-xr-x - debuginfo-tests
drwxr-xr-x - libclc
drwxr-xr-x - libcxx
drwxr-xr-x - libcxxabi
drwxr-xr-x - libunwind
drwxr-xr-x - lld
drwxr-xr-x - lldb
drwxr-xr-x - llgo
drwxr-xr-x - llvm
drwxr-xr-x - openmp
drwxr-xr-x - parallel-libs
drwxr-xr-x - polly