According to that, the ONLY method to get the update is to download it. WSUS isn't listed as a 'way' to get that update. Since the backend for CM's Software Updates is WSUS... it is simply not there to be available in SCCM for deployment.
If the-powers-that-be in your company are requiring you to deploy this, you are going to need to old skool it--download it, and make your own package/program/Advertisement for it, or your own Application with perfectly tested and wonderful detection logic to install it.