cpu: aarch64: Upgrade OneDNN for aarch64 to add support for int8 matmul (#36147)

Signed-off-by: Nikhil Gupta <nikhil.gupta2@arm.com>

cmake/cpu_extension.cmake

@@ -242,6 +242,16 @@ if (ENABLE_X86_ISA OR (ASIMD_FOUND AND NOT APPLE_SILICON_FOUND) OR POWER9_FOUND
         )
     else()
         message(STATUS "Downloading oneDNN from GitHub")
+        if(ASIMD_FOUND AND NOT APPLE_SILICON_FOUND)
+            message(STATUS "aarch64 detected: using pinned oneDNN commit 9c5be1cc59e368aebf0909e6cf20f981ea61462a")
+            FetchContent_Declare(
+                oneDNN
+                GIT_REPOSITORY https://github.com/oneapi-src/oneDNN.git
+                GIT_TAG        9c5be1cc59e368aebf0909e6cf20f981ea61462a
+                GIT_PROGRESS   TRUE
+                GIT_SHALLOW    FALSE
+            )
+        else()
             FetchContent_Declare(
                 oneDNN
                 GIT_REPOSITORY https://github.com/oneapi-src/oneDNN.git
@@ -250,6 +260,7 @@ if (ENABLE_X86_ISA OR (ASIMD_FOUND AND NOT APPLE_SILICON_FOUND) OR POWER9_FOUND
                 GIT_SHALLOW    TRUE
             )
         endif()
+    endif()
 
     set(ONEDNN_LIBRARY_TYPE "STATIC")
     set(ONEDNN_BUILD_DOC "OFF")