PR #13061: Add Tirton support for XLA clamp
PR #13061: Add Tirton support for XLA clamp

Imported from GitHub PR https://github.com/openxla/xla/pull/13061

Add Triton support for XLA clamp instruction. Clamp is a common instruction found in FP8 fusions, and will be used in cuDNN fusions: 

This is a fix for perviously rolled-back PR due to internal ir_emitter_triton test failure: https://github.com/openxla/xla/commit/d114eceb0afa4289e1ba4468a0474d2c1ffe4123

cc @sergeykozub @sergachev 
Copybara import of the project:

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3496ba2fa86571ab290e0881dd06400c415d80b6 by Elfie Guo <elfieg@nvidia.com>:

Add Tirton support for XLA clamp.

Merging this change closes #13061

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/13061 from elfiegg:triton_clamp 3496ba2fa86571ab290e0881dd06400c415d80b6
