Update headers to Linux v5.2. The Rockchip ISP1 formats that were added
manually in commit 97dce7a13f ("include: linux: Add rkisp1 kernel
header and format definitions") are kept. Otherwise the headers come
straight from the upstream kernel.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>