at91: atmel_nand: remove unused variables.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index f8b38f7..cc609b1 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -79,7 +79,6 @@
 static int atmel_nand_calculate(struct mtd_info *mtd,
 		const u_char *dat, unsigned char *ecc_code)
 {
-	struct nand_chip *nand_chip = mtd->priv;
 	unsigned int ecc_value;
 
 	/* get the first 2 ECC bytes */
@@ -167,7 +166,7 @@
 		u_char *read_ecc, u_char *isnull)
 {
 	struct nand_chip *nand_chip = mtd->priv;
-	unsigned int ecc_status, ecc_parity, ecc_mode;
+	unsigned int ecc_status;
 	unsigned int ecc_word, ecc_bit;
 
 	/* get the status from the Status Register */