COMPMID-431 Port OpenCL pooling layer to use fixed point

Change-Id: I6a73cd6582097aaefa83588aad789bdefdc74406
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/79967
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
diff --git a/src/core/CL/cl_kernels/softmax_layer.cl b/src/core/CL/cl_kernels/softmax_layer.cl
index e895bc1..9b24380 100644
--- a/src/core/CL/cl_kernels/softmax_layer.cl
+++ b/src/core/CL/cl_kernels/softmax_layer.cl
@@ -29,7 +29,7 @@
 #define MAX_OP(x, y, type, size) MAX_OP_EXPAND(x, y, type, size)
 #define ADD_OP(x, y, type, size) ADD_SAT_OP_EXPAND((x), (y), type, size)
 #define SUB_OP(x, y, type, size) SUB_SAT_OP_EXPAND((x), (y), type, size)
-#define DIV_OP(x, y, type, size) DIV_SAT_OP_EXPAND((x), (y), type, size, FIXED_POINT_POSITION)
+#define DIV_OP(x, y, type, size) DIV_SAT_OP_VEC_EXPAND((x), (y), type, size, FIXED_POINT_POSITION)
 #define EXP_OP(x, type, size) EXP_OP_EXPAND((x), type, size, FIXED_POINT_POSITION)
 
 #define MIN_VAL_EXPAND(type) type##_MIN