cmd: cbfs: fix reading the end_of_rom pointer for 64bit archs

The cast breaks the pointer on 64bit archs, so lets get rid of it.

Signed-off-by: Andre Heider <a.heider@gmail.com>
Reviewed-by: Alexander Graf <agraf@suse.de>

cmd/cbfs.c

@@ -22,7 +22,7 @@ static int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc,
 		return 0;
 	}
 	if (argc == 2) {
-		end_of_rom = (int)simple_strtoul(argv[1], &ep, 16);
+		end_of_rom = simple_strtoul(argv[1], &ep, 16);
 		if (*ep) {
 			puts("\n** Invalid end of ROM **\n");
 			return 1;