Move llvm util dependencies from clang-tools-extra to add_lit_target.

Summary:
Address fixme in r301762. And would simplify the cmake file in
clang-tools-extra.

Reviewers: sammccall

Subscribers: mgorny, llvm-commits, cfe-commits

Differential Revision: https://reviews.llvm.org/D52713

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343473 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed