camellia: add bulk CBC decryption selftest
* cipher/camellia-glue.c: (selftest_cbc_128): New selftest function for bulk CBC decryption. (selftest): Add call to selftest_cbc_128.
Add selftest for the parallel code paths in bulk CBC decryption.
- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>