[MTD] [NAND] nandsim: bugfix in initialization

NAND of > 32MiB in size use 4 bytes in address cycle, not 3.

Reported-by: bhsong <[e-mail]>
Signed-off-by: Artem Bityutskiy <[e-mail]>
Signed-off-by: David Woodhouse <[e-mail]>

drivers/mtd/nand/nandsim.c

···
 	}
 
 	if (ns->options & OPT_SMALLPAGE) {
-		if (ns->geom.totsz < (64 << 20)) {
+		if (ns->geom.totsz < (32 << 20)) {
 			ns->geom.pgaddrbytes  = 3;
 			ns->geom.secaddrbytes = 2;
 		} else {