Arm backend: build with NAMED_DATA_MAP=ON for vgf (#14885)

PR #14861 introduced the NAMED_DATA_MAP extension which is required to
be on when BUILD_EXTENSION_MODULE is on. Therefore, turn it on where
needed.

Signed-off-by: Erik Lundell <erik.lundell@arm.com>

Author: Erik-Lundell

backends/arm/scripts/build_executor_runner_vkml.sh

@@ -69,6 +69,7 @@ cmake \
     -DCMAKE_BUILD_TYPE=${build_type}            \
     -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
     -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
+    -DEXECUTORCH_BUILD_EXTENSION_NAMED_DATA_MAP=ON \
     -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
     -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \
     -DEXECUTORCH_BUILD_XNNPACK=OFF \

examples/arm/vgf_minimal_example.ipynb

@@ -240,6 +240,7 @@
     "  -DCMAKE_BUILD_TYPE=Debug \\\n",
     "  -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \\\n",
     "  -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \\\n",
+    "  -DEXECUTORCH_BUILD_EXTENSION_NAMED_DATA_MAP=ON \\\n",
     "  -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \\\n",
     "  -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \\\n",
     "  -DEXECUTORCH_BUILD_KERNELS_QUANTIZED=ON \\\n",