enable add passes pre-calculating scales/quantizing weights (#44680)

paddle/fluid/inference/api/paddle_pass_builder.cc

@@ -415,6 +415,8 @@ void CpuPassStrategy::EnableMkldnnInt8() {
     passes_.push_back("cpu_quantize_placement_pass");
     passes_.push_back("cpu_quantize_pass");
     passes_.push_back("cpu_quantize_squash_pass");
+    passes_.push_back("int8_scale_calculation_mkldnn_pass");
+    passes_.push_back("params_quantization_mkldnn_pass");
     passes_.push_back("mkldnn_inplace_pass");
     passes_.push_back("runtime_context_cache_pass");
   }