staging: fbtft: remove unnecessary parantheses around assignment

Parentheses are not needed around the right hand side of an assignment.
This patch is done using Coccinelle:

@@
expression a, b;
@@

b =
-(
a
-)
Signed-off-by: Aastha Gupta <aastha.gupta4104@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/fb_uc1611.c

@@ -225,7 +225,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
 	u8 *buf8 = par->txbuf.buf;
 	u16 *buf16 = par->txbuf.buf;
 	int line_length = par->info->fix.line_length;
-	int y_start = (offset / line_length);
+	int y_start = offset / line_length;
 	int y_end = (offset + len - 1) / line_length;
 	int x, y, i;
 	int ret = 0;