ASoC: cs42l52: Add chip rev id message

This patch adds a print message at bootup for the CODEC Rev ID

Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 56c5611..8b427c9 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1223,6 +1223,9 @@
 		return ret;
 	}
 
+	dev_info(&i2c_client->dev, "Cirrus Logic CS42L52, Revision: %02X\n",
+			reg & 0xFF);
+
 	/* Set Platform Data */
 	if (cs42l52->pdata.mica_cfg)
 		regmap_update_bits(cs42l52->regmap, CS42L52_MICA_CTL,