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/NEIm2Col.cpp b/src/runtime/NEON/functions/NEIm2Col.cpp
index 4ed5915..354415d 100644
--- a/src/runtime/NEON/functions/NEIm2Col.cpp
+++ b/src/runtime/NEON/functions/NEIm2Col.cpp
@@ -34,3 +34,8 @@
     k->configure(input, output, kernel_dims, conv_info, has_bias);
     _kernel = std::move(k);
 }
+
+Error NEIm2Col::validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias)
+{
+    return NEIm2ColKernel::validate(input, output, kernel_dims, conv_info, has_bias);
+}