Add support for uint16_t

Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: Ieab5c56db49549726dd5efb0d9b728713fc6f86a
diff --git a/schema/tosa.fbs b/schema/tosa.fbs
index 33075ed..4267adf 100644
--- a/schema/tosa.fbs
+++ b/schema/tosa.fbs
@@ -30,6 +30,7 @@
   INT32,
   INT48,
   FLOAT,
+  UINT16,
 }
 
 enum ResizeMode:uint32 {