board: freescale: vid.c: Initialize variable 'i2caddress'

Initialize variable 'i2caddress' in adjust_vdd() to zero

Signed-off-by: Priyanka Singh <priyanka.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/freescale/common/vid.c b/board/freescale/common/vid.c
index 77a3be6..2617f61 100644
--- a/board/freescale/common/vid.c
+++ b/board/freescale/common/vid.c
@@ -485,7 +485,7 @@
 	u8 vid;
 #endif
 	int vdd_target, vdd_current, vdd_last;
-	int ret, i2caddress;
+	int ret, i2caddress = 0;
 	unsigned long vdd_string_override;
 	char *vdd_string;
 #if defined(CONFIG_ARCH_LX2160A) || defined(CONFIG_ARCH_LX2162A)