Add a matching lerp implementation to eager mode. (#1612)
Fixes part of #76046
Add a matching lerp to eager mode.
Co-authored-by: jjsjann123 <alex.jann2012@gmail.com>
Co-authored-by: jjsjann123 <jiej@nvidia.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/76459
Approved by: https://github.com/ngimel
