crypto/modes/build.conf: Fix MODES asm mistakes
crypto/modes/build.conf: Fix MODES asm mistakes

The old rule in Configure was that if the asm source had a file name
with 'ghash-' as part of the name, GHASH_ASM should be defined.  Since
none of the aarch64 asm files has such a name, that macro shouldn't
have been defined.

Fixes #9173

Reviewed-by: Matt Caswell <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9178)

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl