drm/xlnx/zynqmp_disp: Fix incorrectly named enum 'zynqmp_disp_layer_id'

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/xlnx/zynqmp_disp.c:101: warning: expecting prototype for enum zynqmp_disp_id. Prototype was for enum zynqmp_disp_layer_id instead

Signed-off-by: Lee Jones <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Signed-off-by: Laurent Pinchart <[email protected]>

Author: Lee Jones

drivers/gpu/drm/xlnx/zynqmp_disp.c

@@ -91,7 +91,7 @@ struct zynqmp_disp_format {
 };
 
 /**
- * enum zynqmp_disp_id - Layer identifier
+ * enum zynqmp_disp_layer_id - Layer identifier
  * @ZYNQMP_DISP_LAYER_VID: Video layer
  * @ZYNQMP_DISP_LAYER_GFX: Graphics layer
  */