[Code Generation - IP] Fixed bug in .cpp file (in -> in0)

src/finn/custom_op/fpgadataflow/convolutioninputgenerator.py

@@ -171,14 +171,14 @@ class ConvolutionInputGenerator(HLSCustomOp):
 
     def blackboxfunction(self):
         self.code_gen_dict["$BLACKBOXFUNCTION$"] = [
-            """void {}(hls::stream<ap_uint<SIMD1*Input_precision1>> &in,
+            """void {}(hls::stream<ap_uint<SIMD1*Input_precision1>> &in0,
                 hls::stream<ap_uint<SIMD1*Input_precision1>> &out)""".format(
                 self.onnx_node.name
             )
         ]
 
     def pragmas(self):
-        self.code_gen_dict["$PRAGMAS$"] = ["#pragma HLS INTERFACE axis port=in"]
+        self.code_gen_dict["$PRAGMAS$"] = ["#pragma HLS INTERFACE axis port=in0"]
         self.code_gen_dict["$PRAGMAS$"].append("#pragma HLS INTERFACE axis port=out")
         self.code_gen_dict["$PRAGMAS$"].append(
             "#pragma HLS INTERFACE ap_ctrl_none port=return"