[submodule] Update submodule sonic-linux-kernel to the latest HEAD au…

…tomatically (#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