staging: fbtft: put spaces around assignment operators

Put spaces around assignment operators for readability.
Signed-off-by: Anton Gerasimov <anton.gerasimov@openmailbox.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/flexfb.c

@@ -242,8 +242,8 @@ static int flexfb_verify_gpios_db(struct fbtft_par *par)
 		return -EINVAL;
 	}
 	if (latched)
-		num_db=buswidth/2;
-	for (i=0;i < num_db;i++) {
+		num_db = buswidth/2;
+	for (i = 0; i < num_db; i++) {
 		if (par->gpio.db[i] < 0) {
 			dev_err(par->info->device,
 				"Missing info about 'db%02d' gpio. Aborting.\n",