[CMake] Don't use GLOB to get swift/clang resource path
[CMake] Don't use GLOB to get swift/clang resource path

Using a file GLOB here isn't necessary because you have the full path constructed. It also breaks in-tree configurations.

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb