mmc: omap_hsmmc: remove a duplicative test

Static checkers complain that testing for both "next" and "!next" is
duplicative.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <chris@printf.net>

drivers/mmc/host/omap_hsmmc.c

@@ -1236,8 +1236,7 @@ static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host,
 	}
 
 	/* Check if next job is already prepared */
-	if (next ||
-	    (!next && data->host_cookie != host->next_data.cookie)) {
+	if (next || data->host_cookie != host->next_data.cookie) {
 		dma_len = dma_map_sg(chan->device->dev, data->sg, data->sg_len,
 				     omap_hsmmc_get_dma_dir(host, data));