COMPMID-423: Port CLSoftmaxLayer to QS8

Change-Id: I759b7585656d018d7c864425118cd3ec2ca9b0eb
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78908
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/src/core/CL/CLKernelLibrary.cpp b/src/core/CL/CLKernelLibrary.cpp
index 6c64265..081edac 100644
--- a/src/core/CL/CLKernelLibrary.cpp
+++ b/src/core/CL/CLKernelLibrary.cpp
@@ -353,6 +353,10 @@
 #include "./cl_kernels/fill_border.clembed"
     },
     {
+        "fixed_point.h",
+#include "./cl_kernels/fixed_point.hembed"
+    },
+    {
         "gaussian_pyramid.cl",
 #include "./cl_kernels/gaussian_pyramid.clembed"
     },