cnx_crc16
uint16_t cnx_crc16(uint8_t *image, uint32_t size, int is_image);
crc = htons(cnx_crc16((uint8_t *)&verifier->fwimage[offset / 4],
crc = cnx_crc16((uint8_t *)guid_structure, CNX_GUID_CRC16_SIZE,
calculated_crc = cnx_crc16((uint8_t *)&verifier->fwimage[nguidptr_addr],