CONFIG_CRYPTO_SM4_ARM64_CE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64

SM4 symmetric cipher (ARMv8.2 Crypto Extensions)

modulename: sm4-ce.ko

configname: CONFIG_CRYPTO_SM4_ARM64_CE

Linux Kernel Configuration
└─>ARM64 Accelerated Cryptographic Algorithms
└─>SM4 symmetric cipher (ARMv8.2 Crypto Extensions)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
/arch/arm64/crypto/