media: imx: imx7-media-csi: Get rid of superfluous call to imx7_csi_mbus_fm t_to_pix_fmt

[Fabio Estevam]

Hi Tim,

On Thu, Jul 20, 2023 at 12:12 PM Tim Harvey <tharvey at gateworks.com> wrote:

> have you tested mipi-csi with linux-next recently and observed it not
> probing? I assume there is another issue awaiting us when linux-next
> gets merged.

I tested capture on imx8mm-evk and imx8mn-evk boards on linux-next 20230720.

Both of them are working here, so I was not able to reproduce the
probe failure you reported.