PR #12952: [ROCM] hipblas-lt: bias pointer workaround
PR #12952: [ROCM] hipblas-lt: bias pointer workaround

Imported from GitHub PR https://github.com/openxla/xla/pull/12952

This is a workaround for ROCM-6.2 version where the behaviour of bias pointer was changed. New version shall work fine both for old and new rocm versions

@xla-rotation: could you have a look please ?
Copybara import of the project:

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1bd40dfa043978873652b38532e6a7c073fa2468 by Pavel Emeliyanenko <pavel.emeliyanenko@amd.com>:

added bias pointer workaround

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d351a84a3cfc61fa3672a12cda9df3265780a7d4 by Pavel Emeliyanenko <pavel.emeliyanenko@amd.com>:

added comment

Merging this change closes #12952

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/12952 from ROCm:ci_hipblaslt-bias-epilogue-fix d351a84a3cfc61fa3672a12cda9df3265780a7d4
