ASoC: sgtl5000: Print revision number in hex

Throughout the sgtl5000 driver source code and also in the sgtl5000 datasheet
the revision code is shown in hexadecimal.

Print it hex format, for consistency.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 7f4ba81..04ea485 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1248,7 +1248,7 @@
 	}
 
 	rev = (reg & SGTL5000_REVID_MASK) >> SGTL5000_REVID_SHIFT;
-	dev_info(codec->dev, "sgtl5000 revision %d\n", rev);
+	dev_info(codec->dev, "sgtl5000 revision 0x%x\n", rev);
 
 	/*
 	 * workaround for revision 0x11 and later,