Update float8 code to support non-saturating mode

Signed-off-by: Won Jeon <won.jeon@arm.com>
Change-Id: I786aca0a2f137cebd446a3a71c8d6fe186286957
diff --git a/include/tosa_serialization_handler.h b/include/tosa_serialization_handler.h
index f5f9e58..1f8310e 100644
--- a/include/tosa_serialization_handler.h
+++ b/include/tosa_serialization_handler.h
@@ -16,9 +16,9 @@
 #ifndef _TOSA_SERIALIZATION_HANDLER_H
 #define _TOSA_SERIALIZATION_HANDLER_H
 #include "attribute.h"
+#include "cfloat.h"
 #include "flatbuffers/idl.h"
 #include "flatbuffers/util.h"
-#include "float_utils.h"
 #include "numpy_utils.h"
 #include "tosa_generated.h"
 #include <cstdint>