phy: ocelot-serdes: Fix IS_ERR vs NULL bug in serdes_probe()

[Colin Foster]

On Thu, Oct 31, 2024 at 07:09:17PM +0100, Markus Elfring wrote:
> > You're absolutely right. Apologies.
> >
> > Acked-by: Colin Foster <colin.foster at in-advantage.com>
> > Revieved-by: Colin Foster <colin.foster at in-advantage.com>
> Please choose one of these tags (without a typo).

Sigh... Today is not my day. I don't know if there are any actions for
me at this point. If there are please let me know.