QS8 2x8c16-aarch64-neondot-ld64 IGEMM microkernel

PiperOrigin-RevId: 362463889
diff --git a/BUILD.bazel b/BUILD.bazel
index c5adf36..3a9f7b9 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -3570,6 +3570,7 @@
     "src/qs8-gemm/4x16c4-aarch64-neondot-cortex-a55.S",
     "src/qs8-gemm/4x16c4-aarch64-neondot-ld32.S",
     "src/qs8-gemm/4x16c4-aarch64-neondot-ld64.S",
+    "src/qs8-igemm/2x8c16-aarch64-neon-mlal-padal.S",
     "src/qs8-igemm/4x16c4-aarch64-neondot-cortex-a55.S",
     "src/qs8-igemm/4x16c4-aarch64-neondot-ld64.S",
 ]