ncurses detection for nconfig/menuconfig patches revised

Hello, After the discussion I modified the patches to respect following things 1. Don't remove the legacy detection 2. use helpers in following order: pkg-config, ncurses5-config, ncurses6-config, old heuristic 3. only support the wide char implementation for menuconfig Regards,

ncurses detection for nconfig/menuconfig patches revised

Hello, After the discussion I modified the patches to respect following things 1. Don't remove the legacy detection 2. use helpers in following order: pkg-config, ncurses5-config, ncurses6-config, old heuristic 3. only support the wide char implementation for menuconfig Regards,