Relating the other page - LUKS-Encrypted-USB-Drive-HOWTO

Hello! Thank you for your article regarding on how to use cryptsetup on asuswrt-merlin. I have followed that and managed to get through all the way on my new Asus RT-AC86U router. Compilation get no errors however at the end I get XTS.ko module and DM_CRYPT modules but not SHA256 etc. Would you suggest any way to degug this?