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The following registers do not exist on gen4, so we should not write
them: DEF6Rm, DEF7Rm, DEF8Rm, ESCRn, OTARn.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>