nice!

nl80211 is working for me, dispite errormsg
rfkill: Cannot open RFKILL control device

(-Dwext not)

for completeness:

wpa_passphrase MYSSID passphrase > /etc/wpa_supplicant/example.conf

wpa_supplicant -B -i wlan0 -Dnl80211 -c /etc/wpa_supplicant/example.conf

dhclient wlan0