COMPMID-1432: Enable by default NHWC in graph examples

Change-Id: I2240b6a6430cb1d261458343b2900cc1f16ac414
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/141861
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/utils/CommonGraphOptions.h b/utils/CommonGraphOptions.h
index 23c3cc7..921889d 100644
--- a/utils/CommonGraphOptions.h
+++ b/utils/CommonGraphOptions.h
@@ -91,7 +91,7 @@
     int                              threads{ 0 };
     arm_compute::graph::Target       target{ arm_compute::graph::Target::NEON };
     arm_compute::DataType            data_type{ DataType::F32 };
-    arm_compute::DataLayout          data_layout{ DataLayout::NCHW };
+    arm_compute::DataLayout          data_layout{ DataLayout::NHWC };
     bool                             enable_tuner{ false };
     arm_compute::graph::FastMathHint fast_math_hint{ arm_compute::graph::FastMathHint::Disabled };
     std::string                      data_path{};