v1.6.5: Improve performance and memory usage

sdkconfig.defaults

@@ -24,6 +24,12 @@ CONFIG_ESP_WIFI_IRAM_OPT=n
 CONFIG_ESP_WIFI_RX_IRAM_OPT=n
 CONFIG_ESP_WIFI_DYNAMIC_RX_MGMT_BUFFER=y
 
+# These entries are copied from ESP-HI (ESP32C3) to reduce memory usage
+CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=6
+CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=8
+CONFIG_NEWLIB_NANO_FORMAT=y
+CONFIG_ENTERPRISE_SUPPORT=n
+
 CONFIG_CODEC_I2C_BACKWARD_COMPATIBLE=n
 
 # Fix ML307 FIFO Overflow