IVGCVSW-3822 Add NEON workload support for ABS

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: I0c2ead004200e053d748ea39937f2f9ed35a636b
diff --git a/src/backends/neon/workloads/CMakeLists.txt b/src/backends/neon/workloads/CMakeLists.txt
index e03a713..e0831be 100644
--- a/src/backends/neon/workloads/CMakeLists.txt
+++ b/src/backends/neon/workloads/CMakeLists.txt
@@ -4,6 +4,8 @@
 #
 
 list(APPEND armnnNeonBackendWorkloads_sources
+    NeonAbsWorkload.cpp
+    NeonAbsWorkload.hpp
     NeonActivationWorkload.cpp
     NeonActivationWorkload.hpp
     NeonAdditionWorkload.cpp