selftests/tls: add SM4 GCM/CCM to tls selftests

Add new cipher as a variant of standard tls selftests.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20211008091745.42917-1-tianjia.zhang@linux.alibaba.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>