Optimize CpuReshapeKernel

Resolves COMPMID-5279

Change-Id: Id9b007eed62c200702bbfcc83b94dab7b5de1714
Signed-off-by: Anitha Raj <anitha.raj@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9962
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/docs/user_guide/release_version_and_change_log.dox b/docs/user_guide/release_version_and_change_log.dox
index b8d4157..c8c8726 100644
--- a/docs/user_guide/release_version_and_change_log.dox
+++ b/docs/user_guide/release_version_and_change_log.dox
@@ -46,6 +46,8 @@
    - Add support for input data type U64/S64 in CLCast and NECast.
    - Add support for output data type S64 in NEArgMinMaxLayer and CLArgMinMaxLayer
  - Update OpenCL™ API headers to v2023.04.17.
+ - Performance optimizations:
+   - Optimize @ref CpuReshape
 
 v23.08 Public major release
  - Deprecate the legacy 'libarm_compute_core' library. This library is an artifact of Compute Library's legacy library architecture and no longer serves any purpose.