ASoC: wm8996: clarify expression

cppcheck warning:
sound/soc/codecs/wm8996.c:2109:23: style: Clarify calculation
precedence for '/' and '?'. [clarifyCalculation]
  timeout = timeout/2 ? : 1;
                      ^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210311004332.120901-9-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wm8996.c

@@ -2106,7 +2106,7 @@ static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int s
 		timeout *= 10;
 	else
 		/* ensure timeout of atleast 1 jiffies */
-		timeout = timeout/2 ? : 1;
+		timeout = (timeout/2) ? : 1;
 
 	for (retry = 0; retry < 10; retry++) {
 		time_left = wait_for_completion_timeout(&wm8996->fll_lock,