staging: fbtft: fbtft-bus.c: Drop unneeded void pointer cast

Remove unneeded cast on the void pointer par->txbuf.buf .
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/fbtft/fbtft-bus.c

@@ -125,7 +125,7 @@ EXPORT_SYMBOL(fbtft_write_reg8_bus9);
 int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
 {
 	u16 *vmem16;
-	u16 *txbuf16 = (u16 *)par->txbuf.buf;
+	u16 *txbuf16 = par->txbuf.buf;
 	size_t remain;
 	size_t to_copy;
 	size_t tx_array_size;
@@ -150,7 +150,7 @@ int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
 	tx_array_size = par->txbuf.len / 2;
 
 	if (par->startbyte) {
-		txbuf16 = (u16 *)(par->txbuf.buf + 1);
+		txbuf16 = par->txbuf.buf + 1;
 		tx_array_size -= 2;
 		*(u8 *)(par->txbuf.buf) = par->startbyte | 0x2;
 		startbyte_size = 1;