Check that connman is not running and disable wifi power save. Have you checked that wifi fw has been loaded?
deb-src http://repository.maemo.org/ fremantle/sdk free deb-src http://repository.maemo.org/ fremantle/tools free free deb-src http://repository.maemo.org/community-testing/ fremantle free deb-src http://repository.maemo.org/extras-devel fremantle free
apt-get source libhildon1 dpkg-buildpackage -> missing bunch of stuff apt-get install .... (from jessie) dpkg-buildpackage fix-the-code
deb http://repository.maemo.org/ fremantle/SECRET nokia-binaries
apt-get install X or apt-get download X