[Aten] Suppress valgrind leaks in libcuda (#34169)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34169
Valgrind have no insight how memory is being initialized by ioctls()
Test Plan: CI
Reviewed By: seemethere
Differential Revision: D20235974
fbshipit-source-id: 46413afa4842e7d42582bbbda903438b1d98691f
