Reimplement erf function

* The current implementation has signfinicant inaccuracy
  and the issue cascades to GELU.
* Use the implementation from ArmĀ® Optimized Routines.
  The maximum error is 1.93 ULP.

Resolves: COMPMID-6554
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: If80131e164b7a078e34dd8e05b1506698f31d17a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10395
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: TeresaARM <teresa.charlinreyes@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/filelist.json b/filelist.json
index 0cf6773..9c19550 100644
--- a/filelist.json
+++ b/filelist.json
@@ -34,6 +34,7 @@
     "src/core/utils/DataLayoutUtils.cpp",
     "src/core/utils/InterpolationPolicyUtils.cpp",
     "src/core/utils/FormatUtils.cpp",
+    "src/core/utils/Math.cpp",
     "src/core/utils/ScaleUtils.cpp",
     "src/core/utils/StringUtils.cpp",
     "src/core/utils/helpers/fft.cpp",