[clang] [Clang][Driver] Revise Cygwin ToolChain to call linker directly (PR #147960)

[via cfe-commits]

jeremyd2019 wrote:

> > $ clang++ -fuse-ld=lld hello.cc
> 
> Do you have patched to LLD locally? This should fail with `unable to find library -lkernel32`.

this new driver should be passing all the necessary `-L` paths to the linker, including `/usr/lib/w32api`

https://github.com/llvm/llvm-project/pull/147960