qcacld-3.0: Pass sta_inactivity_timeout to FW

qcacld-2.0 to qcacld-3.0 propagation

If a station does not send anything in sta_inactivity_timeout, an
empty data frame is sent to it in order to verify whether it is
still in range. If this frame is not ACKed, the station will be
disassociated and then deauthenticated.

Change-Id: Ib86c9aacdb52141890b224262d55abbe58b1604d
CRs-Fixed: 1020078
diff --git a/core/hdd/src/wlan_hdd_cfg80211.c b/core/hdd/src/wlan_hdd_cfg80211.c
index c5e11a2..58f8109 100644
--- a/core/hdd/src/wlan_hdd_cfg80211.c
+++ b/core/hdd/src/wlan_hdd_cfg80211.c
@@ -8900,7 +8900,7 @@
 #ifdef QCA_HT_2040_COEX
 	wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
 #endif
-
+	wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
 	hdd_add_channel_switch_support(&wiphy->flags);
 
 	EXIT();