No, normally this takes several release cycles before tethered support is added.
You can check this web page on a regular basis to find out when this support is added. Tethered camera support in Lightroom
According this listing, not yet: https://helpx.adobe.com/lightroom/kb/tethered-camera-support.html
No-one except adobe knows when it will be added - and they don't tell.
I'd expect it to be in the next release 6.2 ... just guessing though.
In the mean time you can copy a DLL from the EOS Utility software to the LR Tethering plug-in folder and it should work:
Canon does not yet support tethering in their SDK for the 5DS. Lightroom does not normally add support for cameras not supported by the manufacturer's SDK. Canon U.S.A. : Canon Digital Camera Software Developer's Kit