IVGCVSW-4511 Add BFloat16 to RefLayerSupport and unit tests

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: Ifaae4d5aac468ba927b2c6a4bf31b8c8522aeb2e
diff --git a/src/backends/reference/workloads/RefTransposeWorkload.cpp b/src/backends/reference/workloads/RefTransposeWorkload.cpp
index 6bdfb21..242668b 100644
--- a/src/backends/reference/workloads/RefTransposeWorkload.cpp
+++ b/src/backends/reference/workloads/RefTransposeWorkload.cpp
@@ -27,6 +27,7 @@
     armnnUtils::Transpose(GetTensorInfo(src).GetShape(), mappings, src->Map(), dst->Map(), sizeof(T));
 }
 
+template class RefTransposeWorkload<DataType::BFloat16>;
 template class RefTransposeWorkload<DataType::Float16>;
 template class RefTransposeWorkload<DataType::Float32>;
 template class RefTransposeWorkload<DataType::QAsymmU8>;