[inductor] Support IndexPutFallback in cpp_wrapper (#98972)
Summary:
1) Make the fallback index_put generate the right cpp code in cpp_wapper
2) Add a --cpp-wrapper option to common.py
Pull Request resolved: https://github.com/pytorch/pytorch/pull/98972
Approved by: https://github.com/jgong5, https://github.com/jansel
