Adding Linux driver stack

Change-Id: I52dde1726a43eca6923dd772d7fda58a4a64d436
diff --git a/README.md b/README.md
index 1007ec7..269c7ec 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@
 |   +-- core_driver
 |   +-- cmsis
 |   +-- tensorflow
++-- linux_driver_stack
 +-- vela
 ```
 
@@ -26,4 +27,5 @@
 | [core_driver](https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u-core-driver) | The Ethos-u NPU driver. |
 | [cmsis](https://github.com/ARM-software/CMSIS_5) | CMSIS provides optimized kernels and generic interfaces to the Arm Cortex-M CPUs. |
 | [tensorflow](https://github.com/tensorflow/tensorflow) | The TensorFlowLite micro framework is used to run inferences. |
+| [linux_driver_stack](https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u-linux-driver-stack) | Example driver stack showing how Linux can dispatch inferences to an Ethos-U subsystem. |
 | [vela](https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u-vela) | The Vela optimizer takes a TFLu file as input and replaces operators that are supported by the Ethos-u NPU with custom operators designed to run on the NPU. Operators not supported by the NPU are executed in software. |
diff --git a/fetch_externals.py b/fetch_externals.py
index 92668e8..920ea4b 100755
--- a/fetch_externals.py
+++ b/fetch_externals.py
@@ -92,6 +92,7 @@
     Git(os.path.join(basedir, 'core_software/core_driver'), "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-driver", pushurl='ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-driver', revision='master'),
     Git(os.path.join(basedir, 'core_software/cmsis'), 'https://github.com/ARM-software/CMSIS_5.git', revision='master'),
     Git(os.path.join(basedir, 'core_software/tensorflow'), 'https://github.com/tensorflow/tensorflow', revision='master'),
+    Git(os.path.join(basedir, 'linux_driver_stack'), "https://review.mlplatform.org/ml/ethos-u/ethos-u-linux-driver-stack", pushurl='ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-linux-driver-stack', revision='master'),
     Git(os.path.join(basedir, 'vela'), "https://review.mlplatform.org/ml/ethos-u/ethos-u-vela", pushurl='ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-vela', revision='master')
 ]