[submodule] Update submodule sonic-linux-kernel to the latest HEAD automatically (#18313)

#### Why I did it
src/sonic-linux-kernel
```
* a037503 - (HEAD -> 202311, origin/202311) arm64: dts: marvell: Add DTS for 7215-IXS-A1 board (#379) (6 days ago) [Pavan-Nokia]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-03-15 19:01:39 +08:00 committed by GitHub
parent bd8730a06b
commit dfcb9abfb0
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@ -1 +1 @@
Subproject commit 342f6c39d401bc0058cadcb8d0402001ad920928
Subproject commit a03750336cea5c95cf7ce7fb923c01a9d54c8cef