ASoC: apple: mca: Increase reset timeout

Saw this fail once, let's be safer.

Signed-off-by: Hector Martin <marcan@marcan.st>

Author: marcan

sound/soc/apple/mca.c

@@ -216,9 +216,9 @@ static void mca_fe_early_trigger(struct snd_pcm_substream *substream, int cmd,
 			   SERDES_STATUS_RST);
 		/*
 		 * Experiments suggest that it takes at most ~1 us
-		 * for the bit to clear, so wait 2 us for good measure.
+		 * for the bit to clear, so wait 5 us for good measure.
 		 */
-		udelay(2);
+		udelay(5);
 		WARN_ON(readl_relaxed(cl->base + serdes_unit + REG_SERDES_STATUS) &
 			SERDES_STATUS_RST);
 		mca_modify(cl, serdes_conf, SERDES_CONF_SYNC_SEL,