mtd: pxa3xx_nand: Correct null dereference

Correct a null pointer dereference in board_nand_init().  Zeroed
memory was allocated, then immediately dereferenced.  The
dereference is completely removed, since this pointer is later
initialized in alloc_nand_resources.

Signed-off-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Scott Wood <scottwood@freescale.com>

drivers/mtd/nand/pxa3xx_nand.c

@@ -1606,13 +1606,6 @@ void board_nand_init(void)
 	if (!info)
 		return;
 
-	/*
-	 * If CONFIG_SYS_NAND_SELF_INIT is defined, each driver is responsible
-	 * for instantiating struct nand_chip, while drivers/mtd/nand/nand.c
-	 * still provides a "struct mtd_info nand_info" instance.
-	 */
-	info->host[0]->mtd = &nand_info[0];
-
 	ret = pxa3xx_nand_probe(info);
 	if (ret)
 		return;