COMPMID-3423: Update functions list in Doxygen

Change-Id: Ied6352783f2413ed817d80dcadf502169f84d3bf
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3252
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/docs/06_functions_list.dox b/docs/06_functions_list.dox
index 155a356..1401ff6 100644
--- a/docs/06_functions_list.dox
+++ b/docs/06_functions_list.dox
@@ -159,6 +159,7 @@
     - @ref NELocallyConnectedLayer
     - @ref NELSTMLayer
     - @ref NELSTMLayerQuantized
+    - @ref NEQLSTMLayer
     - @ref NEMeanStdDev
     - @ref NEMinMaxLocation
     - @ref NENormalizationLayer
@@ -232,6 +233,7 @@
     - @ref CLLocallyConnectedLayer
     - @ref CLLSTMLayer
     - @ref CLLSTMLayerQuantized
+    - @ref CLQLSTMLayer
     - @ref CLMeanStdDev
     - @ref CLMinMaxLocation
     - @ref CLNormalizationLayer