lib/crc_kunit.c: add test and benchmark for CRC64-NVME

lib/crc_kunit.c: add test and benchmark for CRC64-NVME

Wire up crc64_nvme() to the new CRC unit test and benchmark.

This replaces and improves on the test coverage that was lost by
removing this CRC variant from the crypto API.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20250130035130.180676-5-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>