IVGCVSW-3342 Add CL backend support for Quantized_LSTM (16bit cell state)

!android-nn-driver:1685

Signed-off-by: Ferran Balaguer <ferran.balaguer@arm.com>
Signed-off-by: Matthew Bentham <matthew.bentham@arm.com>
Change-Id: I17278562f72d4b77e22c3af25bf7199b9150a765
diff --git a/src/backends/cl/workloads/ClWorkloads.hpp b/src/backends/cl/workloads/ClWorkloads.hpp
index 03dffc4..1af30ff 100644
--- a/src/backends/cl/workloads/ClWorkloads.hpp
+++ b/src/backends/cl/workloads/ClWorkloads.hpp
@@ -29,6 +29,7 @@
 #include "ClPooling2dWorkload.hpp"
 #include "ClPreluWorkload.hpp"
 #include "ClQuantizeWorkload.hpp"
+#include "ClQuantizedLstmWorkload.hpp"
 #include "ClReshapeWorkload.hpp"
 #include "ClResizeWorkload.hpp"
 #include "ClSoftmaxFloatWorkload.hpp"