These were created by creating a Visual Studio solution for LLVM
itself and building it so it generates include\llvm\Config files.

Bug b/115344057

Change-Id: I22c93d63395fa27b8d8515d65c6bf4e09b3c16bb
Reviewed-on: https://swiftshader-review.googlesource.com/20608Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>