1) Set NVS PMF required true if not specified by application when
authmode is WPA3
2) Fix issue regarding cleanup of non associated sta_info
3) Fix implementation of sta lock to avoid concurrency issues
4) Fix softAP deinit crash when password is configured with max length
Move supplicant to idf and do following refactoring:
1. Make the folder structure consitent with supplicant upstream
2. Remove duplicated header files and minimize the public header files
3. Refactor for WiFi/supplicant interfaces