* Fix thread safety issues in non-core locking * Add option to verify thread safety issues in lwip (core-lock assertion) * Make esp_sntp.h thread safe API * Fix sntp example (v4.4 - fixes minor merge issue that duplicated DHCP_DEFINE_CUSTOM_TIMEOUTS and DHCP_REQUEST_TIMEOUT_SEQUENCE) Closes https://github.com/espressif/esp-idf/issues/9908 Closes https://github.com/espressif/esp-idf/issues/10502 Closes https://github.com/espressif/esp-idf/issues/10466