xtensa: Cocci spatch "noderef"

sizeof when applied to a pointer typed expression gives the size of the
pointer.
Found by coccinelle spatch "misc/noderef.cocci"
Signed-off-by: NThomas Meyer <thomas@m3y3r.de>
Signed-off-by: NChris Zankel <chris@zankel.net>

arch/xtensa/platforms/iss/network.c

@@ -737,7 +737,8 @@ static int __init iss_net_setup(char *str)
 		return 1;
 	}
 
-	if ((new = alloc_bootmem(sizeof new)) == NULL) {
+	new = alloc_bootmem(sizeof(*new));
+	if (new == NULL) {
 		printk("Alloc_bootmem failed\n");
 		return 1;
 	}