cipher:dilithium: List the dilithium implementation to Makefile.am.
* cipher/Makefile.am (EXTRA_DIST): Add dilithium-common.c and dilithium-dep.c. (EXTRA_libcipher_la_SOURCES): Add dilithium.c and dilithium.h.
- GnuPG-bug-id: T7640
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>