governance: add @theComputeKid as maintainer for cpu-aarch64 (#2817)

Author: vpirogov

MAINTAINERS.md

@@ -156,10 +156,10 @@ Team: @oneapi-src/onednn-cpu-aarch64
 
 | Name               | Github ID             | Affiliation       | Role       |
 | ------------------ | --------------------- | ----------------- | ---------- |
+| Hamza Butt         | @theComputeKid        | Arm Ltd           | Maintainer |
 | Crefeda Rodrigues  | @cfrod                | Arm Ltd           | Code Owner |
 | David Svantesson   | @davsva01             | Arm Ltd           | Code Owner |
 | Jonathan Deakin    | @jondea               | Arm Ltd           | Code Owner |
-| Hamza Butt         | @theComputeKid        | Arm Ltd           | Code Owner |
 | Radu Salavat       | @Radu2k               | Arm Ltd           | Code Owner |
 | Siddhartha Menon   | @Sqvid                | Arm Ltd           | Code Owner |
 | Sunita Nadampalli  | @snadampal            | Amazon.com, Inc.  | Code Owner |