Allow duplicates in LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.

Should fix the cmake bots that were already building R600.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182447 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed