ASoC: codecs: rt1308-sdw: reduce verbosity

These messages are generated at each enumeration, this is
overkill. Move to dev_dbg

[   86.481709] rt1308 sdw:1:25d:1308:0: rt1308_io_init m_btl_l=0xffee, m_btl_r=0xffff
[   86.481714] rt1308 sdw:1:25d:1308:0: rt1308_io_init c_btl_l=0x28c, c_btl_r=0x113
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200409184416.15591-2-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt1308-sdw.c

@@ -235,9 +235,9 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave)
 	efuse_c_btl_r = tmp;
 	regmap_read(rt1308->regmap, 0xc872, &tmp);
 	efuse_c_btl_r = efuse_c_btl_r | (tmp << 8);
-	dev_info(&slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__,
+	dev_dbg(&slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__,
 		efuse_m_btl_l, efuse_m_btl_r);
-	dev_info(&slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__,
+	dev_dbg(&slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__,
 		efuse_c_btl_l, efuse_c_btl_r);
 
 	/* initial settings */