IVGCVSW-2348 Support boolean data type

Change-Id: Ifd28e049192e6f5fe5c0f5d358afb2b530eef882
diff --git a/include/armnn/Types.hpp b/include/armnn/Types.hpp
index d815005..baf7443 100644
--- a/include/armnn/Types.hpp
+++ b/include/armnn/Types.hpp
@@ -26,9 +26,10 @@
 enum class DataType
 {
     Float16 = 0,
-    Float32   = 1,
+    Float32 = 1,
     QuantisedAsymm8 = 2,
-    Signed32  = 3
+    Signed32 = 3,
+    Boolean = 4
 };
 
 enum class DataLayout