COMPMID-617: Add validation to NEON functions.

Adds validation to:
- NECol2Im
- NEIm2Col

Change-Id: I346298583a6985ea793f71bb4527aa216a5cd4b2
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110835
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/runtime/NEON/functions/NECol2Im.cpp b/src/runtime/NEON/functions/NECol2Im.cpp
index 2dc4ebd..2a923f3 100644
--- a/src/runtime/NEON/functions/NECol2Im.cpp
+++ b/src/runtime/NEON/functions/NECol2Im.cpp
@@ -28,9 +28,14 @@
 
 using namespace arm_compute;
 
-void NECol2Im::configure(const ITensor *input, ITensor *output, std::pair<unsigned int, unsigned int> convolved_dims)
+void NECol2Im::configure(const ITensor *input, ITensor *output, const Size2D &convolved_dims)
 {
     auto k = arm_compute::support::cpp14::make_unique<NECol2ImKernel>();
     k->configure(input, output, convolved_dims);
     _kernel = std::move(k);
 }
+
+Error NECol2Im::validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &convolved_dims)
+{
+    return NECol2ImKernel::validate(input, output, convolved_dims);
+}