FROMLIST: crypto: testmgr - add tests for finup_mb

Update the shash self-tests to test the new finup_mb method when
CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y.

Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>

Bug: 330611177
Link: https://lore.kernel.org/r/20240621165922.77672-4-ebiggers@kernel.org


Change-Id: I0b2bad7317a7b689d41f6a185042c401e081ba33
Signed-off-by: Eric Biggers <ebiggers@google.com>