stm32_bsec_smc
ret = stm32_bsec_smc(STM32_SMC_PROG_OTP, i >> 2, *buf32++,
ret = stm32_bsec_smc(STM32_SMC_READ_SHADOW, 0, 0, &val);
ret = stm32_bsec_smc(STM32_SMC_READ_SHADOW, otp, 0,