[test] Tweak driver test from r353917 and r353922 to pass with a nondefault CLANG_DEFAULT_LINKER
[test] Tweak driver test from r353917 and r353922 to pass with a nondefault CLANG_DEFAULT_LINKER

Force -fuse-ld=ld, as some other tests in the same file do.

Loosen the regex matching the linker tool name as well, as this
can end up being <triple>-ld in case such a named tool exists.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@353946 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang