CONFIG_CRYPTO_AES_ARM64_NEON_BLK is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64

AES in ECB/CBC/CTR/XTS modes using NEON instructions

modulename: aes-neon-blk.ko

configname: CONFIG_CRYPTO_AES_ARM64_NEON_BLK

Linux Kernel Configuration
└─>ARM64 Accelerated Cryptographic Algorithms
└─>AES in ECB/CBC/CTR/XTS modes using NEON instructions
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
/arch/arm64/crypto/