[Eager]Fix final_state_frobenius_norm BUG with axis==None (#41693) (#41725)

python/paddle/tensor/linalg.py

@@ -257,7 +257,8 @@ def norm(x, p='fro', axis=None, keepdim=False, name=None):
 
         if in_dygraph_mode():
             if dim is None:
-                return _C_ops.final_state_frobenius_norm(input, keepdim, True)
+                return _C_ops.final_state_frobenius_norm(input, [], keepdim,
+                                                         True)
             return _C_ops.final_state_frobenius_norm(input, dim, keepdim, False)
         if _in_legacy_dygraph():
             if dim is None: