Read calibration data for speakers from persist

Use the calibration data from persist partition instead of
data partition to adjust speaker performance.

Issue: FP3-A11#202
Change-Id: Ib3e9aaa3bc8a55fe4bbf99061c7d71b8ace810ac
(cherry picked from commit ee7f73755ef1c4e41736762910f241f96404dc04)
diff --git a/sound/soc/codecs/tas2557/tas2557-core.c b/sound/soc/codecs/tas2557/tas2557-core.c
index 783642c..c5349d38 100755
--- a/sound/soc/codecs/tas2557/tas2557-core.c
+++ b/sound/soc/codecs/tas2557/tas2557-core.c
@@ -46,7 +46,7 @@
 #define	PPC_DRIVER_MTPLLSRC			0x00000400
 #define	PPC_DRIVER_CFGDEV_NONCRC	0x00000101
 
-#define TAS2557_CAL_NAME    "/data/tas2557_cal.bin"
+#define TAS2557_CAL_NAME    "/mnt/vendor/persist/tas2557_cal.bin"
 #define RESTART_MAX 3
 
 static int tas2557_load_calibration(struct tas2557_priv *pTAS2557,