CMake: Add LLVM_UTILS_INSTALL_DIR option
Summary:
This is like the LLVM_TOOLS_INSTALL_DIR option, but for the utils
that are installed when the LLVM_INSTALL_UTILS. This option
defaults to 'bin' to remain consistent with the current behavior, but
distros may want to install these to libexec/llvm.
Reviewers: beanz
Reviewed By: beanz
Subscribers: llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D30655
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307150
91177308-0d34-0410-b5e6-
96231b3b80d8