Enable RPD Profiler in OpenAI server

[rebklee]

This PR adds enablement of RPD profiler to the OpenAI server.

Please direct your PRs to the upstream vllm (https://github.com/vllm-project/vllm.git)

Accepting PRs into the ROCm fork (https://github.com/ROCm/vllm) will require a clear previously communicated exception

[shajrawi]

As the comment that you also added in the description states:

Please direct your PRs to the upstream vllm (https://github.com/vllm-project/vllm.git)

Accepting PRs into the ROCm fork (https://github.com/ROCm/vllm) will require a clear previously communicated exception