hostapd: Add wowlan_triggers config param

New kernels in wiphy_suspend() will call cfg80211_leave_all()
that will eventually end up in cfg80211_stop_ap() unless
wowlan_triggers were set.

Bug: 17269024

Change-Id: I14d2191eda090cd86cabe1e5f059975fdf2f69e8
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
6 files changed