[CI][ETHOSN] Enable CI for Ethos-N (apache#6171)

This introduces the necessary changes to docker to
support building the Ethos-N driver stack. This is
required for subsequent patches which introduce
the Ethos-N integration into TVM.


Co-authored-by: Leo Blonk <[email protected]>
Co-authored-by: Leandro Nunes <[email protected]>

# Please enter the commit message for your changes. Lines starting
# with '#' will be kept; you may remove them yourself if you want to.
# An empty message aborts the commit.
#
# Date:      Mon Jul 27 15:43:41 2020 +0100
#
# On branch ethosn-ci
# Changes to be committed:
#	modified:   docker/Dockerfile.ci_cpu
#	new file:   docker/install/ubuntu_install_ethosn_driver_stack.sh
#
# Untracked files:
#	CombinedMemoryMap.hex
#	OutputModel.hex
#	config.txt
#	docker/install/ethosn_cap/
#	docker/install/ethosn_driver_dev-20.05-dbg-20200612-141030.tar.gz
#	ssd.npy
#	tests/python/integration/test_tir_gemm.py
#	tests/python/relay/test_pattern_annotate.py
#	tests/python/unittest/failure.py
#

Author: mbaret

docker/Dockerfile.ci_cpu

@@ -82,3 +82,7 @@ RUN bash /install/ubuntu_install_arm_compute_lib.sh
 # Caffe deps
 COPY install/ubuntu_install_caffe.sh /install/ubuntu_install_caffe.sh
 RUN bash /install/ubuntu_install_caffe.sh
+
+# Github Arm(R) Ethos(TM)-N NPU driver
+COPY install/ubuntu_install_ethosn_driver_stack.sh /install/ubuntu_install_ethosn_driver_stack.sh
+RUN bash /install/ubuntu_install_ethosn_driver_stack.sh

docker/install/ubuntu_install_ethosn_driver_stack.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+set -e
+set -u
+set -o pipefail
+
+repo_url="https://github.com/Arm-software/ethos-n-driver-stack"
+repo_dir="ethosn-driver"
+repo_revision="20.05"
+install_path="/opt/arm/$repo_dir"
+
+tmpdir=$(mktemp -d)
+
+cleanup()
+{
+  rm -rf "$tmpdir"
+}
+
+trap cleanup 0
+
+# Ubuntu 16.04 dependencies
+apt-get update
+
+apt-get install -y \
+    bsdmainutils \
+    build-essential \
+    cmake \
+    cpp \
+    git \
+    linux-headers-generic \
+    python-dev \
+    python3 \
+    scons \
+    wget
+
+cd "$tmpdir"
+git clone "$repo_url" "$repo_dir"
+
+cd "$repo_dir"
+git checkout "$repo_revision"
+
+cd "driver"
+scons install_prefix="$install_path" install
+