CONFIG_CRYPTO_GHASH_S390 is not available for the selected architecture x86.
Result is shown for architecture s390

Hash functions: GHASH

modulename: ghash_s390.ko

configname: CONFIG_CRYPTO_GHASH_S390

Linux Kernel Configuration
└─>Accelerated Cryptographic Algorithms for CPU (s390)
└─>Hash functions: GHASH
In linux kernel since version 3 (release Date: 2011-07-21)
GCM GHASH hash function (NIST SP800-38D)

Architecture: s390

It is available as of z196.
source code:
arch/s390/crypto/ghash_s390.c

depends
CONFIG_S390