MLBEDSW-4870: Update to TensorFlow 2.7

Update the flatbuffers generated code to comply with TensorFlow 2.7

Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>
Change-Id: Iff29b05a6e145245861329b4ff9fc9fbd968da53
diff --git a/ethosu/vela/tflite/RNNOptions.py b/ethosu/vela/tflite/RNNOptions.py
index 67bbe78..c891508 100644
--- a/ethosu/vela/tflite/RNNOptions.py
+++ b/ethosu/vela/tflite/RNNOptions.py
@@ -10,13 +10,17 @@
     __slots__ = ['_tab']
 
     @classmethod
-    def GetRootAsRNNOptions(cls, buf, offset):
+    def GetRootAs(cls, buf, offset=0):
         n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
         x = RNNOptions()
         x.Init(buf, n + offset)
         return x
 
     @classmethod
+    def GetRootAsRNNOptions(cls, buf, offset=0):
+        """This method is deprecated. Please switch to GetRootAs."""
+        return cls.GetRootAs(buf, offset)
+    @classmethod
     def RNNOptionsBufferHasIdentifier(cls, buf, offset, size_prefixed=False):
         return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x54\x46\x4C\x33", size_prefixed=size_prefixed)
 
@@ -39,6 +43,14 @@
         return False
 
 def RNNOptionsStart(builder): builder.StartObject(2)
+def Start(builder):
+    return RNNOptionsStart(builder)
 def RNNOptionsAddFusedActivationFunction(builder, fusedActivationFunction): builder.PrependInt8Slot(0, fusedActivationFunction, 0)
+def AddFusedActivationFunction(builder, fusedActivationFunction):
+    return RNNOptionsAddFusedActivationFunction(builder, fusedActivationFunction)
 def RNNOptionsAddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs): builder.PrependBoolSlot(1, asymmetricQuantizeInputs, 0)
+def AddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs):
+    return RNNOptionsAddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs)
 def RNNOptionsEnd(builder): return builder.EndObject()
+def End(builder):
+    return RNNOptionsEnd(builder)
\ No newline at end of file