IVGCVSW-7883 Front end and reference implementation for TILE

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Signed-off-by: Cian McGriskin <cian.mcgriskin@arm.com>

Change-Id: I0afb2403fee11c5c1e58ea65e2525e99594d8f2d
diff --git a/src/backends/reference/backend.mk b/src/backends/reference/backend.mk
index dfafa0a..7f047af 100644
--- a/src/backends/reference/backend.mk
+++ b/src/backends/reference/backend.mk
@@ -102,6 +102,7 @@
         workloads/RefStackWorkload.cpp \
         workloads/RefStridedSliceWorkload.cpp \
         workloads/RefSplitterWorkload.cpp \
+        workloads/RefTileWorkload.cpp \
         workloads/RefTransposeConvolution2dWorkload.cpp \
         workloads/RefTransposeWorkload.cpp \
         workloads/RefUnidirectionalSequenceLstmWorkload.cpp \
@@ -115,6 +116,7 @@
         workloads/StringMapping.cpp \
         workloads/Softmax.cpp \
         workloads/Splitter.cpp \
+        workloads/Tile.cpp \
         workloads/TransposeConvolution2d.cpp
 else