PR #11603: [ROCm] Configure pjrt gpu plugin for rocm
PR #11603: [ROCm] Configure pjrt gpu plugin for rocm

Imported from GitHub PR https://github.com/openxla/xla/pull/11603

Configure PJRT GPU plugin so it can be built for ROCm as well.
Copybara import of the project:

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a1c8bcb4be41dc56899118d44bf604a2723a3c56 by mmakevic <Milica.Makevic@amd.com>:

Configure pjrt gpu plugin for rocm

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9ca24357f52c53febb474c798c67d0b8dda586ee by mmakevic <Milica.Makevic@amd.com>:

Change platform name defining

Merging this change closes #11603

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/11603 from ROCm:rocm_gpu_plugin 9ca24357f52c53febb474c798c67d0b8dda586ee
