drm: rcar-du: Remove unused prototypes

The CRTC suspend and resume functions have been replaced, but the
prototypes were not removed.

Remove the redundant definitions.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Kieran Bingham 2019-03-14 22:04:20 +00:00 • committed by Laurent Pinchart
commit b1fed71c4a