[Inductor CUTLASS backend] Step 1: Inductor config for cuda / cutlass, util functions. (#107802)
This is the step 1 to add cutlass as an alternative inductor backend.
Feature request: https://github.com/pytorch/pytorch/issues/106991.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/107802
Approved by: https://github.com/jansel, https://github.com/aakhundov, https://github.com/kadeng
