Add TKDNN_MODE variable to the name of the network.

This commit permits to obtain different .rt files for different
precision optimizations of the same network.

Signed-off-by: Davide Sapienza <sapienza.dav@gmail.com>

tests/dla34/dla34.cpp

@@ -301,7 +301,7 @@ int main()
     net.print();
 
     //convert network to tensorRT
-    tk::dnn::NetworkRT netRT(&net, "dla34.rt");
+    tk::dnn::NetworkRT netRT(&net, net.getNetworkRTName("dla34"));
 
     
     tk::dnn::dataDim_t out_dim;