IVGCVSW-6700 Disable importing on ClConv2d when datalayout is NCHW

Signed-off-by: David Monahan <David.Monahan@arm.com>
Change-Id: Ia916219a33535f4c288fa44fdc23961a3e54e788
diff --git a/src/backends/neon/NeonTensorHandle.hpp b/src/backends/neon/NeonTensorHandle.hpp
index f40b5fc..9445cb1 100644
--- a/src/backends/neon/NeonTensorHandle.hpp
+++ b/src/backends/neon/NeonTensorHandle.hpp
@@ -116,8 +116,7 @@
 
     bool CanBeImported(void* memory, MemorySource source) override
     {
-        armnn::IgnoreUnused(source);
-        if (reinterpret_cast<uintptr_t>(memory) % m_TypeAlignment)
+        if (source != MemorySource::Malloc || reinterpret_cast<uintptr_t>(memory) % m_TypeAlignment)
         {
             return false;
         }