media: ti-vpe: cal: Fix usage of v4l2_fwnode_endpoint_parse()

Letting the v4l2_fwnode_endpoint_parse() function determine the bus type
automatically is deprecated. Set the bus type to DPHY manually as the TI
CAL only supports DPHY.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>