[CI][ETHOSN] Add ssh to the driver stack installation (apache#14246)

[ETHOSN] Add ssh to the driver stack installation

Some use cases of the NPU integration rely on ssh being avilable
within the docker image in order to launch an RPC server on a remote
device. This commit adds ssh as a dependency on the NPU driver stack
installation.

docker/install/ubuntu_install_ethosn_driver_stack.sh

@@ -47,7 +47,8 @@ apt-install-and-clear -y \
     python-dev \
     python3 \
     scons \
-    wget
+    wget \
+    openssh-client
 
 cd "$tmpdir"
 git clone --branch "$repo_revision" "$repo_url" "$repo_dir"