IVGCVSW-863 Move clamp, for_each, foldl to misc/utility.h

Also, improve for_each, foldl, and related changes.

Change-Id: I0cf0c7dbf88f26bb70cc734ba9fb5725d405585f
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114014
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/reference/ConvolutionLayer.cpp b/tests/validation/reference/ConvolutionLayer.cpp
index 1066411..567fac0 100644
--- a/tests/validation/reference/ConvolutionLayer.cpp
+++ b/tests/validation/reference/ConvolutionLayer.cpp
@@ -210,7 +210,7 @@
 
     acc = asymm_rounding_divide_by_pow2(asymm_int_mult(acc, output_multiplier), output_shift);
     acc += output_offset;
-    acc = clamp<int32_t>(acc, 0, 255);
+    acc = utility::clamp<int32_t>(acc, 0, 255);
 
     // Store the result
     *out_ptr = acc;