IVGCVSW-6181 patch to allow building against tflite > v2.3

Change-Id: I292add699b2af32fab87b98929fe6fee79fdf356
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/delegate/cmake/Modules/FindTfLiteSrc.cmake b/delegate/cmake/Modules/FindTfLiteSrc.cmake
new file mode 100644
index 0000000..91833c1
--- /dev/null
+++ b/delegate/cmake/Modules/FindTfLiteSrc.cmake
@@ -0,0 +1,28 @@
+#
+# Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+# SPDX-License-Identifier: MIT
+#
+
+include(FindPackageHandleStandardArgs)
+unset(TFLITE_SRC_FOUND)
+
+find_path(TfLite_INCLUDE_DIR
+        NAMES
+            tensorflow/lite
+            third_party
+        HINTS
+            ${TENSORFLOW_ROOT})
+
+find_path(TfLite_Schema_INCLUDE_PATH
+            schema_generated.h
+        HINTS
+            ${TENSORFLOW_ROOT}/tensorflow/lite/schema)
+
+## Set TFLITE_FOUND
+find_package_handle_standard_args(TfLiteSrc DEFAULT_MSG TfLite_INCLUDE_DIR TfLite_Schema_INCLUDE_PATH)
+
+## Set external variables for usage in CMakeLists.txt
+if(TFLITE_SRC_FOUND)
+    set(TfLite_INCLUDE_DIR ${TfLite_INCLUDE_DIR})
+    set(TfLite_Schema_INCLUDE_PATH ${TfLite_Schema_INCLUDE_PATH})
+endif()