ASoC: cs35l36: Use DIV_ROUND_UP() instead of open-coding it

Use DIV_ROUND_UP() instead of open-coding it, which intents and makes it
more clear what is going on for the casual reviewer.

The Coccinelle references Commit e4d8aef2 ("ALSA: usb: Use
DIV_ROUND_UP() instead of open-coding it").
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220927140948.17696-2-shangxiaojing@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs35l36.c

@@ -918,8 +918,8 @@ static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 		fs1 = CS35L36_FS1_DEFAULT_VAL;
 		fs2 = CS35L36_FS2_DEFAULT_VAL;
 	} else {
-		fs1 = 3 * ((CS35L36_FS_NOM_6MHZ * 4 + freq - 1) / freq) + 4;
-		fs2 = 5 * ((CS35L36_FS_NOM_6MHZ * 4 + freq - 1) / freq) + 4;
+		fs1 = 3 * DIV_ROUND_UP(CS35L36_FS_NOM_6MHZ * 4, freq) + 4;
+		fs2 = 5 * DIV_ROUND_UP(CS35L36_FS_NOM_6MHZ * 4, freq) + 4;
 	}
 
 	regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,