fix(tls): wolfSSL_set_tlsext_host_name function not support in wolfssl lib in ESP8266, so use macro HAVE_SNI to disable it.
fix(tls): wolfSSL_set_tlsext_host_name function not support in wolfssl lib in ESP8266, so use macro HAVE_SNI to disable it.

espressif/ESP8266_RTOS_SDK,espressif/ESP8266_RTOS_SDK,espressif/ESP8266_RTOS_SDK,espressif/ESP8266_RTOS_SDK,espressif/ESP8266_RTOS_SDK