Update drm_fourcc.h to Linux kernel version v6.18.
As the upstream drm_fourcc.h version doesn't include definitions
for RAW Bayer formats, some of the symbols we defined
downstream now conflict with new symbols defined in mainline.
In particular, mainline has added:
#define DRM_FORMAT_MOD_VENDOR_MTK 0x0b
#define DRM_FORMAT_MOD_VENDOR_APPLE 0x0c
Which conflict with the downstream definitions:
#define DRM_FORMAT_MOD_VENDOR_MIPI 0x0b
#define DRM_FORMAT_MOD_VENDOR_RPI 0x0c
In order not to break the library ABI, maintain the downstream symbols
definitions as they are even if they conflict.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Acked-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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