Merge branch 'feature/tw8193_add_wifi_api_detail_return_code' into 'master'

esp32/make: add detailed return error code for wifi APIs

1. Add detailed return error code for wifi APIs
2. Add description about error code in esp_wifi.h
3. Modify esp_wifi_reg_rxcb to esp_wifi_internal_reg_rxcb
4. Modify esp_wifi_set_sta_ip to esp_wifi_internal_set_sta_ip
5. Mark system_init as deprecated API

See merge request !187