add fuse ops passes in oss (pytorch#6876)

Summary:
Pull Request resolved: pytorch#6876

test cannot be moved yet because finally graphs expect more ops to be replaced
remove pyre because explicitly disabled

Reviewed By: skrtskrtfb

Differential Revision: D65910592

Author: zonglinpeng

backends/cadence/aot/TARGETS

@@ -131,3 +131,22 @@ python_library(
         "//executorch/exir/dialects:lib",
     ],
 )
+
+python_library(
+    name = "fuse_ops",
+    srcs = [
+        "fuse_ops.py",
+    ],
+    typing = True,
+    deps = [
+        "//caffe2:torch",
+        ":compiler_utils",
+        "//executorch/backends/cadence/aot:pass_utils",
+        "//executorch/backends/cadence/aot:utils",
+        "//executorch/exir:pass_base",
+        "//executorch/exir/dialects:lib",
+        "//executorch/exir/dialects/edge:lib",
+        "//executorch/exir/passes:lib",
+        "//executorch/exir/passes:spec_prop_pass",
+    ],
+)