media: nxp: imx8-isi: Drop unused argument to mxc_isi_channel_chain()

The bypass argument to the mxc_isi_channel_chain() function is unused.
Drop it.

Link: https://lore.kernel.org/r/20250813225501.20762-1-laurent.pinchart@ideasonboard.com


Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>