COMPMID-1400: Add command line option to specify the tuner's config file

Change-Id: Ib597e0dff4c8c01f7e6bd46d03824beef4bc1e9a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/139923
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/examples/graph_lenet.cpp b/examples/graph_lenet.cpp
index 9be5bed..c02e2f9 100644
--- a/examples/graph_lenet.cpp
+++ b/examples/graph_lenet.cpp
@@ -105,6 +105,8 @@
         GraphConfig config;
         config.num_threads = common_params.threads;
         config.use_tuner   = common_params.enable_tuner;
+        config.tuner_file  = common_params.tuner_file;
+
         graph.finalize(common_params.target, config);
 
         return true;