Intel SGX enclaves cannot be created on OCP 4.12 bare metal infrastructure. CRI-O v1.25+ version on OCP 4.12, does not allow SGX enclaves to be launched. The issue has been reported and fixed in the PR'S 
opencontainers/runtime-tools#759
opencontainers/runtime-tools#760 
The above PR's are not merged in the CRI-O version currently on OCP-4.12. Once merged, SGX enclaves can be created on 4.12.

Reproducible on OCP 4.12 with SGX supported nodes to launch SGX enclaves containers

1. 

Any SGX enclave fails with enclave launch errors- For example: 2023-02-03T19:14:13.000000Z [(H)ERROR] tid(0x7faad6410b80) | enclave_create with ENCLAVE_TYPE_SGX1 type failed (err=0x1) (oe_result_t=OE_PLATFORM_ERROR) [/source/host/sgx/sgxload.c:oe_sgx_create_enclave:480] 2023-02-03T19:14:13.000000Z [(H)ERROR] tid(0x7faad6410b80) | :OE_PLATFORM_ERROR 
and enclave cannot be created.

SGX enclaves can be successfully created on 4.12