staging: rts5208: Fixed line over 80 characters.

Fixes the following checkpatch warning:
WARNING: line over 80 characters.

Signed-off-by: Keerthimai Janarthanan <keerthimaipb@gmail.com>
Reviewed-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rts5208/rtsx_transport.c

@@ -625,8 +625,8 @@ out:
 	return err;
 }
 
-static int rtsx_transfer_buf(struct rtsx_chip *chip, u8 card, void *buf, size_t len,
+static int rtsx_transfer_buf(struct rtsx_chip *chip, u8 card, void *buf,
-		enum dma_data_direction dma_dir, int timeout)
+		size_t len, enum dma_data_direction dma_dir, int timeout)
 {
 	struct rtsx_dev *rtsx = chip->rtsx;
 	struct completion trans_done;