[submodule] Update submodule sonic-linux-kernel to the latest HEAD automatically (#15784)

mssonicbld · web-flow · commit 559fe85353be · 2023-08-11T06:51:55.000Z
#### Why I did it src/sonic-linux-kernel ``` * 694b338 - (HEAD -> 202012, origin/202012) [202012] Add crypto/zstd.ko module via CONFIG_CRYPTO_ZSTD (#320) (4 weeks ago) [Samuel Angebault] ```
diff --git a/src/sonic-linux-kernel b/src/sonic-linux-kernel
@@ -1 +1 @@
-Subproject commit 815cb349544338a16d2f7740aee87db13bb8bc1a
+Subproject commit 694b3381eff8e6ec098885e0125f9dc31aaa1010
