[Benchmark] Add fp8_attention to tritonbench integration

stack-info: PR: #319, branch: yf225/stack/27

Author: yf225

benchmarks/run.py

@@ -70,6 +70,11 @@
         "examples.cross_entropy",
         "cross_entropy",
     ),
+    "fp8_attention": (
+        "tritonbench.operators.fp8_attention.operator",
+        "examples.fp8_attention",
+        "fp8_attention_tritonbench",
+    ),
 }