[MTD] [NAND] drivers/mtd/nand/nandsim.c: remove duplicated #include

Removed duplicated include <asm/div64.h> in
drivers/mtd/nand/nandsim.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/nand/nandsim.c

@@ -38,7 +38,6 @@
 #include <linux/delay.h>
 #include <linux/list.h>
 #include <linux/random.h>
-#include <asm/div64.h>
 
 /* Default simulator parameters values */
 #if !defined(CONFIG_NANDSIM_FIRST_ID_BYTE)  || \