hostapd: bump to version 2.2

Drop upstream patch.
CONFIG_IEEE80211W is now enabled by default.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>