media: renesas: vsp1: Use %p4cc printk modifier to print FourCC codes

media: renesas: vsp1: Use %p4cc printk modifier to print FourCC codes

Replace '%08x->%p4cc' printk modifier to print FourCC codes for pixel
formats.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20250330091738.27052-1-biju.das.jz@bp.renesas.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>