Decouple NEMeanStdDevNormalizationKernel

Resolves COMPMID-4617
Change-Id: Ic8793aaf64c6137f848f39c62e33b44ae79ad21d
Signed-off-by: Dana Zlotnik <dana.zlotnik@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/6870
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/filelist.json b/filelist.json
index 58c2a9a..2c508d0 100644
--- a/filelist.json
+++ b/filelist.json
@@ -1607,7 +1607,12 @@
           "common": [
             "src/core/NEON/kernels/NEMeanStdDevNormalizationKernel.cpp",
             "src/runtime/NEON/functions/NEMeanStdDevNormalizationLayer.cpp"
-          ]
+          ],
+        "neon":{
+          "common":["src/cpu/kernels/meanstddevnorm/generic/neon/impl.cpp"],
+          "fp32":["src/cpu/kernels/meanstddevnorm/generic/neon/fp32.cpp"],
+          "fp16":["src/cpu/kernels/meanstddevnorm/generic/neon/fp16.cpp"]
+        }
         }
       },
       "Mul": {