[llvm] AMDGPU/Docs: Fix target properties for gfx9-4-generic (PR #125593)

[Shilei Tian via llvm-commits]

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@@ -583,8 +583,8 @@ Generic processor code objects are versioned. See :ref:`amdgpu-generic-processor
                                                                                                   - ``v_dot2_f32_f16``
 
 
-     ``gfx9-4-generic``   ``amdgcn``     - ``gfx940``      - xnack            - Absolute flat   FP8 and BF8 instructions,
-                                         - ``gfx941``      - sramecc            scratch         FP8 and BF8 conversion instructions,
+     ``gfx9-4-generic``   ``amdgcn``     - ``gfx940``      - xnack            - Architected     FP8 and BF8 instructions,
+                                         - ``gfx941``      - sramecc            flat scratch    FP8 and BF8 conversion instructions,
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shiltian wrote:

it seems like `tgsplit` and `kernarg preload` are also supported.

https://github.com/llvm/llvm-project/pull/125593