nand/elbc: Memory leak fix

Freeing allocated memory to priv before returning
from the function

Signed-off-by: Raghav Dogra <raghav@freescale.com>
[scottwood: removed unnecessary cast]
Signed-off-by: Scott Wood <scottwood@freescale.com>

drivers/mtd/nand/fsl_elbc_nand.c

@@ -679,6 +679,7 @@ static int fsl_elbc_chip_init(int devnum, u8 *addr)
 	if (priv->bank >= MAX_BANKS) {
 		printf("fsl_elbc_nand: address did not match any "
 		       "chip selects\n");
+		kfree(priv);
 		return -ENODEV;
 	}