IVGCVSW-7571 GpuFsa Op: Add Depthwise Conv2d

  * Added DepthwiseConv2d support for GpuFsa backend.
  * Updated DepthwiseConv2d End-to-End test

Signed-off-by: Tianle Cheng <tianle.cheng@arm.com>
Change-Id: I646839980d138ae235a00990c97c6e66a4418a5e
diff --git a/src/backends/gpuFsa/layers/CMakeLists.txt b/src/backends/gpuFsa/layers/CMakeLists.txt
index 3a02ce1..c174c51 100644
--- a/src/backends/gpuFsa/layers/CMakeLists.txt
+++ b/src/backends/gpuFsa/layers/CMakeLists.txt
@@ -6,6 +6,8 @@
 list(APPEND armnnGpuFsaBackendLayerValidators_sources
         GpuFsaConvolution2d.cpp
         GpuFsaConvolution2d.hpp
+        GpuFsaDepthwiseConvolution2d.cpp
+        GpuFsaDepthwiseConvolution2d.hpp
     )
 
 add_library(armnnGpuFsaBackendLayerValidators OBJECT ${armnnGpuFsaBackendLayerValidators_sources})