driver/mtd: Fix IFC compilation warnings

'eccstat' array elements might be used uninitialized

Signed-off-by: Jaiprakash Singh <b44839@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index 81b5070..b283eae 100644
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -292,7 +292,7 @@
 	struct fsl_ifc *ifc = ctrl->regs;
 	u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
 	u32 time_start;
-	u32 eccstat[4];
+	u32 eccstat[4] = {0};
 	int i;
 
 	/* set the chip select for NAND Transaction */