staging: rts5208: rtsx_transport.c: Drop void pointer cast

Void pointers need not be cast to other pointer types.
Semantic patch used:

@r@
expression x;
void *e;
type T;
identifier f;
@@

(
  *((T *)e)
|
  ((T *)x) [...]
|
  ((T *)x)->f
|
- (T *)
  e
)

Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rts5208/rtsx_transport.c

@@ -734,7 +734,7 @@ int rtsx_transfer_data_partial(struct rtsx_chip *chip, u8 card,
 		return -EIO;
 
 	if (use_sg) {
-		struct scatterlist *sg = (struct scatterlist *)buf;
+		struct scatterlist *sg = buf;
 
 		err = rtsx_transfer_sglist_adma_partial(chip, card, sg, use_sg,
 							index, offset, (int)len,