Add Vela codebase

 - Added modules ethosu.vela and ethosu.mlw_codec.
 - Added README and various configuration files.

Change-Id: I3690f8c8f5966306ecddaeb2793c30ca9c6e2eee
diff --git a/ethosu/vela/tflite/LocalResponseNormalizationOptions.py b/ethosu/vela/tflite/LocalResponseNormalizationOptions.py
new file mode 100644
index 0000000..db87560
--- /dev/null
+++ b/ethosu/vela/tflite/LocalResponseNormalizationOptions.py
@@ -0,0 +1,54 @@
+# automatically generated by the FlatBuffers compiler, do not modify
+
+# namespace: tflite
+
+import flatbuffers
+
+class LocalResponseNormalizationOptions(object):
+    __slots__ = ['_tab']
+
+    @classmethod
+    def GetRootAsLocalResponseNormalizationOptions(cls, buf, offset):
+        n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
+        x = LocalResponseNormalizationOptions()
+        x.Init(buf, n + offset)
+        return x
+
+    # LocalResponseNormalizationOptions
+    def Init(self, buf, pos):
+        self._tab = flatbuffers.table.Table(buf, pos)
+
+    # LocalResponseNormalizationOptions
+    def Radius(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(4))
+        if o != 0:
+            return self._tab.Get(flatbuffers.number_types.Int32Flags, o + self._tab.Pos)
+        return 0
+
+    # LocalResponseNormalizationOptions
+    def Bias(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(6))
+        if o != 0:
+            return self._tab.Get(flatbuffers.number_types.Float32Flags, o + self._tab.Pos)
+        return 0.0
+
+    # LocalResponseNormalizationOptions
+    def Alpha(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(8))
+        if o != 0:
+            return self._tab.Get(flatbuffers.number_types.Float32Flags, o + self._tab.Pos)
+        return 0.0
+
+    # LocalResponseNormalizationOptions
+    def Beta(self):
+        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(10))
+        if o != 0:
+            return self._tab.Get(flatbuffers.number_types.Float32Flags, o + self._tab.Pos)
+        return 0.0
+
+def LocalResponseNormalizationOptionsStart(builder): builder.StartObject(4)
+def LocalResponseNormalizationOptionsAddRadius(builder, radius): builder.PrependInt32Slot(0, radius, 0)
+def LocalResponseNormalizationOptionsAddBias(builder, bias): builder.PrependFloat32Slot(1, bias, 0.0)
+def LocalResponseNormalizationOptionsAddAlpha(builder, alpha): builder.PrependFloat32Slot(2, alpha, 0.0)
+def LocalResponseNormalizationOptionsAddBeta(builder, beta): builder.PrependFloat32Slot(3, beta, 0.0)
+def LocalResponseNormalizationOptionsEnd(builder): return builder.EndObject()