From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Update the `rzv2h_wdt_probe()` function to consistently use the local
`dev` pointer, which is already extracted from `&pdev->dev`.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>