Rename path libpath in .linker-options.

"path" is too generic name for -L or --library-path because a lot of
linker options take paths as arguments. This change renames the option
to avoid confusion.

Differential Revision: https://reviews.llvm.org/D42705

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323833 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed