Fixing keys in SaveTmHardSwishOp (#903)

tools/convert_tool/utils/save_graph/tm2_op_save.cpp

@@ -1095,7 +1095,7 @@ tm_uoffset_t SaveTmHardSwishOp(void* const start_ptr, tm_uoffset_t* cur_pos, ir_
     tm_param.beta = p->beta;
 
     TM2_Operator tm_op;
-    SetTmOperator(&tm_op, TM2_OPTYPE_CAST, WriteTmObject(start_ptr, cur_pos, &tm_param, sizeof(TM2_HardSwishParam)));
+    SetTmOperator(&tm_op, TM2_OPTYPE_HARDSWISH, WriteTmObject(start_ptr, cur_pos, &tm_param, sizeof(TM2_HardSwishParam)));
     return WriteTmObject(start_ptr, cur_pos, &tm_op, sizeof(TM2_Operator));
 }
 tm_uoffset_t SaveTmInterpOp(void* const start_ptr, tm_uoffset_t* cur_pos, ir_node_t* node)
@@ -1570,4 +1570,4 @@ op_save_t SaveTmOpFunc(uint32_t op_type)
             // fprintf(stderr, "Operator #%d not supported in tengine model yet\n",op_type);
             return nullptr;
     }
-}
\ No newline at end of file
+}