default or selected kernelversion does not have config value CONFIG_CRYPTO_CRC32_LOONGARCH.
Result is shown for kernelversion 6.9.9

CRC32c and CRC32

modulename: crc32-loongarch.ko

configname: CONFIG_CRYPTO_CRC32_LOONGARCH

Linux Kernel Configuration
└─>Cryptographic API
└─>Accelerated Cryptographic Algorithms for CPU (loongarch)
└─>CRC32c and CRC32
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
CRC32c and CRC32 CRC algorithms

Architecture: LoongArch with CRC32 instructions