mtd: rawnand: mpc5121: Remove unused variable in ads5121_select_chip()

stable inclusion
from stable-v5.10.96
commit b43e9d2f6fc771612bb5ec98af5b39195c0ce233
bugzilla: https://gitee.com/openeuler/kernel/issues/I55NWB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b43e9d2f6fc771612bb5ec98af5b39195c0ce233

--------------------------------

commit 33a0da68 upstream.

drivers/mtd/nand/raw/mpc5121_nfc.c: In function ‘ads5121_select_chip’:
drivers/mtd/nand/raw/mpc5121_nfc.c:294:19: warning: unused variable ‘mtd’ [-Wunused-variable]
  294 |  struct mtd_info *mtd = nand_to_mtd(nand);
      |                   ^~~

Fixes: 758b56f5 ("mtd: rawnand: Pass a nand_chip object to chip->select_chip()")
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211122132138.3899138-1-geert@linux-m68k.org
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYu Liao <liaoyu15@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/mtd/nand/raw/mpc5121_nfc.c

@@ -291,7 +291,6 @@ static int ads5121_chipselect_init(struct mtd_info *mtd)
 /* Control chips select signal on ADS5121 board */
 static void ads5121_select_chip(struct nand_chip *nand, int chip)
 {
-	struct mtd_info *mtd = nand_to_mtd(nand);
 	struct mpc5121_nfc_prv *prv = nand_get_controller_data(nand);
 	u8 v;