update README and update fp8 gemm dispatch for gfx95

Signed-off-by: zhuyuhua-v <yuhzhu@amd.com>

Author: zhuyuhua-v

evaluation/README.md

@@ -108,7 +108,8 @@
     --disable-log-requests \
     --compilation-config '{"cudagraph_mode": "FULL_AND_PIECEWISE"}' \
     --gpu_memory_utilization 0.9 \
-    --block-size 1
+    --block-size 1 \
+    --async-scheduling
     ```
 
 ## Curl request

vllm/model_executor/layers/quantization/utils/fp8_utils.py

@@ -945,13 +945,12 @@ def requant_weight_ue8m0_inplace(
 
 
 def check_aiter_fp8_linear_support() -> bool:
-    """AITER is only supported on ROCm and only for FP8_FNUZ
-    and at the moment are MI300 series"""
+    """AITER is only supported on ROCm"""
     return (
         current_platform.is_rocm()
         and envs.VLLM_ROCM_USE_AITER
         and envs.VLLM_ROCM_USE_AITER_LINEAR
-        and current_platform.is_fp8_fnuz()
+        and current_platform.supports_fp8()
     )