target: modify the limit battery voltage from 3.6v to 3.2v

Changed the limit battery voltage from 3.6v to 3.2v.

Change-Id: I5b28906a3634daaa5e00df9dd9be8478ac400641
diff --git a/target/init.c b/target/init.c
index 8a34b62..bfe45d5 100644
--- a/target/init.c
+++ b/target/init.c
@@ -44,7 +44,7 @@
 #define EXPAND(NAME) #NAME
 #define TARGET(NAME) EXPAND(NAME)
 
-#define BATTERY_MIN_VOLTAGE		3600000  //uv
+#define BATTERY_MIN_VOLTAGE		3200000  //uv
 #define PMIC_SLAVE_ID                   0x20000
 #define BAT_IF_BAT_PRES_STATUS		0x1208