dmaengine: fsl_raid: statify fsl_re_chan_probe

Function fsl_re_chan_probe should be declared static, so do it

Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/fsl_raid.c

···
 		dev_err(re_chan->dev, "chan resource cannot be cleaned!\n");
 }
 
-int fsl_re_chan_probe(struct platform_device *ofdev,
+static int fsl_re_chan_probe(struct platform_device *ofdev,
 		      struct device_node *np, u8 q, u32 off)
 {
 	struct device *dev, *chandev;