MLBEDSW-6955: Update to TensorFlow 2.10

 - Updated to TensorFlow 2.10 and FlatBuffers 2.0.7
 - Changed absolute to relative imports in the auto-generated code
 - Updated Vela's TFLite writer to support FlatBuffer builder's internal
number of elements count
 - Removed use of deprecated numElems argument to FlatBuffer builder's
EndVector()

Signed-off-by: erik.andersson@arm.com <erik.andersson@arm.com>
Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: If447778134db81ae0ac374c7397e1140082372fd
diff --git a/ethosu/vela/tflite/PackOptions.py b/ethosu/vela/tflite/PackOptions.py
index 6a8ee2b..1591f15 100644
--- a/ethosu/vela/tflite/PackOptions.py
+++ b/ethosu/vela/tflite/PackOptions.py
@@ -3,17 +3,27 @@
 # namespace: tflite
 
 import flatbuffers
+from flatbuffers.compat import import_numpy
+np = import_numpy()
 
 class PackOptions(object):
     __slots__ = ['_tab']
 
     @classmethod
-    def GetRootAsPackOptions(cls, buf, offset):
+    def GetRootAs(cls, buf, offset=0):
         n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
         x = PackOptions()
         x.Init(buf, n + offset)
         return x
 
+    @classmethod
+    def GetRootAsPackOptions(cls, buf, offset=0):
+        """This method is deprecated. Please switch to GetRootAs."""
+        return cls.GetRootAs(buf, offset)
+    @classmethod
+    def PackOptionsBufferHasIdentifier(cls, buf, offset, size_prefixed=False):
+        return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x54\x46\x4C\x33", size_prefixed=size_prefixed)
+
     # PackOptions
     def Init(self, buf, pos):
         self._tab = flatbuffers.table.Table(buf, pos)
@@ -33,6 +43,14 @@
         return 0
 
 def PackOptionsStart(builder): builder.StartObject(2)
+def Start(builder):
+    return PackOptionsStart(builder)
 def PackOptionsAddValuesCount(builder, valuesCount): builder.PrependInt32Slot(0, valuesCount, 0)
+def AddValuesCount(builder, valuesCount):
+    return PackOptionsAddValuesCount(builder, valuesCount)
 def PackOptionsAddAxis(builder, axis): builder.PrependInt32Slot(1, axis, 0)
+def AddAxis(builder, axis):
+    return PackOptionsAddAxis(builder, axis)
 def PackOptionsEnd(builder): return builder.EndObject()
+def End(builder):
+    return PackOptionsEnd(builder)
\ No newline at end of file