[rocm-libraries] ROCm/rocm-libraries#7850 (commit e8f2756)

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## Motivation

This PR unifies the parameter comments and simplifies the docs for
`amdgcn_mma` specialisations of `MfmaOp`.

## Technical Details

Except for the two things mentioned above, it also simplifies the sparse
traits, unifies the usages of `enable_if_target_id_t`, and cleans up the
files in
[include/ck_tile/core/arch/mma](https://github.com/ROCm/rocm-libraries/tree/users/yungshengtu/ck/unification/unify_format_mfma/projects/composablekernel/include/ck_tile/core/arch/mma).

**NOTE: The first commit is not in the scope of this PR.**

## Test Plan

Test has existed.

## Test Result

Test should pass.

## Submission Checklist

- [x] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

close #8907