Fix mbedtls_ssl_conf_cid() to not depend on macro constant values
Fix mbedtls_ssl_conf_cid() to not depend on macro constant values

The previous implementation of mbedtls_ssl_conf_cid() relied on
MBEDTLS_SSL_UNEXPECTED_CID_IGNORE being defined as 1.

NXPmicro/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,NXPmicro/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,NXPmicro/mbedtls,Mbed-TLS/mbedtls,NXPmicro/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls