ASoC: fsl: fsl_esai: clarify expression

cppcheck warning:

sound/soc/fsl/fsl_esai.c:307:16: style: Clarify calculation precedence
for '%' and '?'. [clarifyCalculation]
    clk_id % 2 ? "extal" : "fsys");
               ^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210219232937.6440-5-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_esai.c

@@ -304,7 +304,7 @@ static int fsl_esai_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 
 	if (IS_ERR(clksrc)) {
 		dev_err(dai->dev, "no assigned %s clock\n",
-				clk_id % 2 ? "extal" : "fsys");
+			(clk_id % 2) ? "extal" : "fsys");
 		return PTR_ERR(clksrc);
 	}
 	clk_rate = clk_get_rate(clksrc);